1220785020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^3\times {\mathrm{13}}^3$

素因数の和:81

約数の個数: 480

約数和(自身を含む): 4838064000

約数和(自身を除く): 3617278980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 162, 169, 180, 182, 189, 195, 196, 210, 234, 245, 252, 260, 270, 273, 294, 315, 324, 338, 343, 351, 364, 378, 390, 405, 420, 441, 455, 468, 490, 507, 540, 546, 567, 585, 588, 630, 637, 676, 686, 702, 735, 756, 780, 810, 819, 845, 882, 910, 945, 980, 1014, 1029, 1053, 1092, 1134, 1170, 1183, 1260, 1274, 1323, 1365, 1372, 1404, 1470, 1521, 1620, 1638, 1690, 1715, 1755, 1764, 1820, 1890, 1911, 2028, 2058, 2106, 2197, 2205, 2268, 2340, 2366, 2457, 2535, 2548, 2646, 2730, 2835, 2940, 3042, 3087, 3185, 3276, 3380, 3430, 3510, 3549, 3780, 3822, 3969, 4095, 4116, 4212, 4394, 4410, 4459, 4563, 4732, 4914, 5070, 5145, 5265, 5292, 5460, 5670, 5733, 5915, 6084, 6174, 6370, 6591, 6615, 6860, 7020, 7098, 7371, 7605, 7644, 7938, 8190, 8281, 8788, 8820, 8918, 9126, 9261, 9555, 9828, 10140, 10290, 10530, 10647, 10985, 11340, 11466, 11830, 12285, 12348, 12740, 13182, 13230, 13377, 13689, 14196, 14742, 15210, 15379, 15435, 15876, 16380, 16562, 17199, 17745, 17836, 18252, 18522, 19110, 19773, 19845, 20580, 21060, 21294, 21970, 22295, 22815, 22932, 23660, 24570, 24843, 26364, 26460, 26754, 27378, 27783, 28665, 29484, 30420, 30758, 30870, 31941, 32955, 33124, 34398, 35490, 36855, 37044, 38220, 39546, 39690, 40131, 41405, 42588, 43940, 44590, 45630, 46137, 46305, 49140, 49686, 51597, 53235, 53508, 54756, 55566, 57330, 57967, 59319, 61516, 61740, 63882, 65910, 66885, 68445, 68796, 70980, 73710, 74529, 76895, 79092, 79380, 80262, 82810, 85995, 89180, 91260, 92274, 92610, 95823, 98865, 99372, 103194, 106470, 107653, 111132, 114660, 115934, 118638, 120393, 124215, 127764, 131820, 133770, 136890, 138411, 138915, 147420, 149058, 153790, 159705, 160524, 165620, 171990, 173901, 177957, 184548, 185220, 191646, 197730, 200655, 206388, 212940, 215306, 223587, 230685, 231868, 237276, 240786, 248430, 257985, 267540, 273780, 276822, 277830, 289835, 296595, 298116, 307580, 319410, 322959, 343980, 347802, 355914, 361179, 372645, 383292, 395460, 401310, 415233, 430612, 447174, 461370, 479115, 481572, 496860, 515970, 521703, 538265, 553644, 555660, 579670, 593190, 601965, 638820, 645918, 670761, 692055, 695604, 711828, 722358, 745290, 753571, 802620, 830466, 869505, 889785, 894348, 922740, 958230, 968877, 1031940, 1043406, 1076530, 1117935, 1159340, 1186380, 1203930, 1245699, 1291836, 1341522, 1384110, 1444716, 1490580, 1507142, 1565109, 1614795, 1660932, 1739010, 1779570, 1805895, 1916460, 1937754, 2076165, 2086812, 2153060, 2235870, 2260713, 2407860, 2491398, 2608515, 2683044, 2768220, 2906631, 3014284, 3130218, 3229590, 3353805, 3478020, 3559140, 3611790, 3767855, 3875508, 4152330, 4471740, 4521426, 4695327, 4844385, 4982796, 5217030, 5813262, 6228495, 6260436, 6459180, 6707610, 6782139, 7223580, 7535710, 7825545, 8304660, 8719893, 9042852, 9390654, 9688770, 10434060, 11303565, 11626524, 12456990, 13415220, 13564278, 14533155, 15071420, 15651090, 17439786, 18781308, 19377540, 20346417, 22607130, 23476635, 24913980, 27128556, 29066310, 31302180, 33910695, 34879572, 40692834, 43599465, 45214260, 46953270, 58132620, 61039251, 67821390, 81385668, 87198930, 93906540, 101732085, 122078502, 135642780, 174397860, 203464170, 244157004, 305196255, 406928340, 610392510, 1220785020]

約数ペア:

[(1, 1220785020), (2, 610392510), (3, 406928340), (4, 305196255), (5, 244157004), (6, 203464170), (7, 174397860), (9, 135642780), (10, 122078502), (12, 101732085), (13, 93906540), (14, 87198930), (15, 81385668), (18, 67821390), (20, 61039251), (21, 58132620), (26, 46953270), (27, 45214260), (28, 43599465), (30, 40692834), (35, 34879572), (36, 33910695), (39, 31302180), (42, 29066310), (45, 27128556), (49, 24913980), (52, 23476635), (54, 22607130), (60, 20346417), (63, 19377540), (65, 18781308), (70, 17439786), (78, 15651090), (81, 15071420), (84, 14533155), (90, 13564278), (91, 13415220), (98, 12456990), (105, 11626524), (108, 11303565), (117, 10434060), (126, 9688770), (130, 9390654), (135, 9042852), (140, 8719893), (147, 8304660), (156, 7825545), (162, 7535710), (169, 7223580), (180, 6782139), (182, 6707610), (189, 6459180), (195, 6260436), (196, 6228495), (210, 5813262), (234, 5217030), (245, 4982796), (252, 4844385), (260, 4695327), (270, 4521426), (273, 4471740), (294, 4152330), (315, 3875508), (324, 3767855), (338, 3611790), (343, 3559140), (351, 3478020), (364, 3353805), (378, 3229590), (390, 3130218), (405, 3014284), (420, 2906631), (441, 2768220), (455, 2683044), (468, 2608515), (490, 2491398), (507, 2407860), (540, 2260713), (546, 2235870), (567, 2153060), (585, 2086812), (588, 2076165), (630, 1937754), (637, 1916460), (676, 1805895), (686, 1779570), (702, 1739010), (735, 1660932), (756, 1614795), (780, 1565109), (810, 1507142), (819, 1490580), (845, 1444716), (882, 1384110), (910, 1341522), (945, 1291836), (980, 1245699), (1014, 1203930), (1029, 1186380), (1053, 1159340), (1092, 1117935), (1134, 1076530), (1170, 1043406), (1183, 1031940), (1260, 968877), (1274, 958230), (1323, 922740), (1365, 894348), (1372, 889785), (1404, 869505), (1470, 830466), (1521, 802620), (1620, 753571), (1638, 745290), (1690, 722358), (1715, 711828), (1755, 695604), (1764, 692055), (1820, 670761), (1890, 645918), (1911, 638820), (2028, 601965), (2058, 593190), (2106, 579670), (2197, 555660), (2205, 553644), (2268, 538265), (2340, 521703), (2366, 515970), (2457, 496860), (2535, 481572), (2548, 479115), (2646, 461370), (2730, 447174), (2835, 430612), (2940, 415233), (3042, 401310), (3087, 395460), (3185, 383292), (3276, 372645), (3380, 361179), (3430, 355914), (3510, 347802), (3549, 343980), (3780, 322959), (3822, 319410), (3969, 307580), (4095, 298116), (4116, 296595), (4212, 289835), (4394, 277830), (4410, 276822), (4459, 273780), (4563, 267540), (4732, 257985), (4914, 248430), (5070, 240786), (5145, 237276), (5265, 231868), (5292, 230685), (5460, 223587), (5670, 215306), (5733, 212940), (5915, 206388), (6084, 200655), (6174, 197730), (6370, 191646), (6591, 185220), (6615, 184548), (6860, 177957), (7020, 173901), (7098, 171990), (7371, 165620), (7605, 160524), (7644, 159705), (7938, 153790), (8190, 149058), (8281, 147420), (8788, 138915), (8820, 138411), (8918, 136890), (9126, 133770), (9261, 131820), (9555, 127764), (9828, 124215), (10140, 120393), (10290, 118638), (10530, 115934), (10647, 114660), (10985, 111132), (11340, 107653), (11466, 106470), (11830, 103194), (12285, 99372), (12348, 98865), (12740, 95823), (13182, 92610), (13230, 92274), (13377, 91260), (13689, 89180), (14196, 85995), (14742, 82810), (15210, 80262), (15379, 79380), (15435, 79092), (15876, 76895), (16380, 74529), (16562, 73710), (17199, 70980), (17745, 68796), (17836, 68445), (18252, 66885), (18522, 65910), (19110, 63882), (19773, 61740), (19845, 61516), (20580, 59319), (21060, 57967), (21294, 57330), (21970, 55566), (22295, 54756), (22815, 53508), (22932, 53235), (23660, 51597), (24570, 49686), (24843, 49140), (26364, 46305), (26460, 46137), (26754, 45630), (27378, 44590), (27783, 43940), (28665, 42588), (29484, 41405), (30420, 40131), (30758, 39690), (30870, 39546), (31941, 38220), (32955, 37044), (33124, 36855), (34398, 35490)]