31302180

素因数分解:

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

素因数の和:65

約数の個数: 288

約数和(自身を含む): 122976000

約数和(自身を除く): 91673820

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, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 169, 180, 182, 189, 195, 196, 210, 234, 245, 252, 260, 270, 273, 294, 315, 338, 343, 351, 364, 378, 390, 420, 441, 455, 468, 490, 507, 540, 546, 585, 588, 630, 637, 676, 686, 702, 735, 756, 780, 819, 845, 882, 910, 945, 980, 1014, 1029, 1092, 1170, 1183, 1260, 1274, 1323, 1365, 1372, 1404, 1470, 1521, 1638, 1690, 1715, 1755, 1764, 1820, 1890, 1911, 2028, 2058, 2205, 2340, 2366, 2457, 2535, 2548, 2646, 2730, 2940, 3042, 3087, 3185, 3276, 3380, 3430, 3510, 3549, 3780, 3822, 4095, 4116, 4410, 4459, 4563, 4732, 4914, 5070, 5145, 5292, 5460, 5733, 5915, 6084, 6174, 6370, 6615, 6860, 7020, 7098, 7605, 7644, 8190, 8281, 8820, 8918, 9126, 9261, 9555, 9828, 10140, 10290, 10647, 11466, 11830, 12285, 12348, 12740, 13230, 13377, 14196, 15210, 15435, 16380, 16562, 17199, 17745, 17836, 18252, 18522, 19110, 20580, 21294, 22295, 22815, 22932, 23660, 24570, 24843, 26460, 26754, 28665, 30420, 30870, 31941, 33124, 34398, 35490, 37044, 38220, 40131, 41405, 42588, 44590, 45630, 46305, 49140, 49686, 53235, 53508, 57330, 57967, 61740, 63882, 66885, 68796, 70980, 74529, 80262, 82810, 85995, 89180, 91260, 92610, 99372, 106470, 114660, 115934, 120393, 124215, 127764, 133770, 149058, 159705, 160524, 165620, 171990, 173901, 185220, 200655, 212940, 223587, 231868, 240786, 248430, 267540, 289835, 298116, 319410, 343980, 347802, 372645, 401310, 447174, 481572, 496860, 521703, 579670, 601965, 638820, 695604, 745290, 802620, 869505, 894348, 1043406, 1117935, 1159340, 1203930, 1490580, 1565109, 1739010, 2086812, 2235870, 2407860, 2608515, 3130218, 3478020, 4471740, 5217030, 6260436, 7825545, 10434060, 15651090, 31302180]

約数ペア:

[(1, 31302180), (2, 15651090), (3, 10434060), (4, 7825545), (5, 6260436), (6, 5217030), (7, 4471740), (9, 3478020), (10, 3130218), (12, 2608515), (13, 2407860), (14, 2235870), (15, 2086812), (18, 1739010), (20, 1565109), (21, 1490580), (26, 1203930), (27, 1159340), (28, 1117935), (30, 1043406), (35, 894348), (36, 869505), (39, 802620), (42, 745290), (45, 695604), (49, 638820), (52, 601965), (54, 579670), (60, 521703), (63, 496860), (65, 481572), (70, 447174), (78, 401310), (84, 372645), (90, 347802), (91, 343980), (98, 319410), (105, 298116), (108, 289835), (117, 267540), (126, 248430), (130, 240786), (135, 231868), (140, 223587), (147, 212940), (156, 200655), (169, 185220), (180, 173901), (182, 171990), (189, 165620), (195, 160524), (196, 159705), (210, 149058), (234, 133770), (245, 127764), (252, 124215), (260, 120393), (270, 115934), (273, 114660), (294, 106470), (315, 99372), (338, 92610), (343, 91260), (351, 89180), (364, 85995), (378, 82810), (390, 80262), (420, 74529), (441, 70980), (455, 68796), (468, 66885), (490, 63882), (507, 61740), (540, 57967), (546, 57330), (585, 53508), (588, 53235), (630, 49686), (637, 49140), (676, 46305), (686, 45630), (702, 44590), (735, 42588), (756, 41405), (780, 40131), (819, 38220), (845, 37044), (882, 35490), (910, 34398), (945, 33124), (980, 31941), (1014, 30870), (1029, 30420), (1092, 28665), (1170, 26754), (1183, 26460), (1260, 24843), (1274, 24570), (1323, 23660), (1365, 22932), (1372, 22815), (1404, 22295), (1470, 21294), (1521, 20580), (1638, 19110), (1690, 18522), (1715, 18252), (1755, 17836), (1764, 17745), (1820, 17199), (1890, 16562), (1911, 16380), (2028, 15435), (2058, 15210), (2205, 14196), (2340, 13377), (2366, 13230), (2457, 12740), (2535, 12348), (2548, 12285), (2646, 11830), (2730, 11466), (2940, 10647), (3042, 10290), (3087, 10140), (3185, 9828), (3276, 9555), (3380, 9261), (3430, 9126), (3510, 8918), (3549, 8820), (3780, 8281), (3822, 8190), (4095, 7644), (4116, 7605), (4410, 7098), (4459, 7020), (4563, 6860), (4732, 6615), (4914, 6370), (5070, 6174), (5145, 6084), (5292, 5915), (5460, 5733)]