81523260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 360

約数和(自身を含む): 324434880

約数和(自身を除く): 242911620

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, 79, 81, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 158, 162, 180, 182, 189, 195, 196, 210, 234, 237, 245, 252, 260, 270, 273, 294, 315, 316, 324, 351, 364, 378, 390, 395, 405, 420, 441, 455, 468, 474, 490, 540, 546, 553, 567, 585, 588, 630, 637, 702, 711, 735, 756, 780, 790, 810, 819, 882, 910, 945, 948, 980, 1027, 1053, 1092, 1106, 1134, 1170, 1185, 1260, 1274, 1323, 1365, 1404, 1422, 1470, 1580, 1620, 1638, 1659, 1755, 1764, 1820, 1890, 1911, 2054, 2106, 2133, 2205, 2212, 2268, 2340, 2370, 2457, 2548, 2646, 2730, 2765, 2835, 2844, 2940, 3081, 3185, 3276, 3318, 3510, 3555, 3780, 3822, 3871, 3969, 4095, 4108, 4212, 4266, 4410, 4740, 4914, 4977, 5135, 5265, 5292, 5460, 5530, 5670, 5733, 6162, 6370, 6399, 6615, 6636, 7020, 7110, 7189, 7371, 7644, 7742, 7938, 8190, 8295, 8532, 8820, 9243, 9555, 9828, 9954, 10270, 10530, 10665, 11060, 11340, 11466, 11613, 12285, 12324, 12740, 12798, 13230, 14220, 14378, 14742, 14931, 15405, 15484, 15876, 16380, 16590, 17199, 18486, 19110, 19355, 19845, 19908, 20540, 21060, 21330, 21567, 22932, 23226, 24570, 24885, 25596, 26460, 27729, 28665, 28756, 29484, 29862, 30810, 31995, 33180, 34398, 34839, 35945, 36855, 36972, 38220, 38710, 39690, 42660, 43134, 44793, 46215, 46452, 49140, 49770, 50323, 51597, 55458, 57330, 58065, 59724, 61620, 63990, 64701, 68796, 69678, 71890, 73710, 74655, 77420, 79380, 83187, 85995, 86268, 89586, 92430, 99540, 100646, 103194, 104517, 107835, 110916, 114660, 116130, 127980, 129402, 138645, 139356, 143780, 147420, 149310, 150969, 166374, 171990, 174195, 179172, 184860, 194103, 201292, 206388, 209034, 215670, 223965, 232260, 251615, 257985, 258804, 277290, 298620, 301938, 313551, 323505, 332748, 343980, 348390, 388206, 415935, 418068, 431340, 447930, 452907, 503230, 515970, 522585, 554580, 582309, 603876, 627102, 647010, 696780, 754845, 776412, 831870, 895860, 905814, 970515, 1006460, 1031940, 1045170, 1164618, 1254204, 1294020, 1358721, 1509690, 1567755, 1663740, 1811628, 1941030, 2090340, 2264535, 2329236, 2717442, 2911545, 3019380, 3135510, 3882060, 4076163, 4529070, 5434884, 5823090, 6271020, 6793605, 8152326, 9058140, 11646180, 13587210, 16304652, 20380815, 27174420, 40761630, 81523260]

約数ペア:

[(1, 81523260), (2, 40761630), (3, 27174420), (4, 20380815), (5, 16304652), (6, 13587210), (7, 11646180), (9, 9058140), (10, 8152326), (12, 6793605), (13, 6271020), (14, 5823090), (15, 5434884), (18, 4529070), (20, 4076163), (21, 3882060), (26, 3135510), (27, 3019380), (28, 2911545), (30, 2717442), (35, 2329236), (36, 2264535), (39, 2090340), (42, 1941030), (45, 1811628), (49, 1663740), (52, 1567755), (54, 1509690), (60, 1358721), (63, 1294020), (65, 1254204), (70, 1164618), (78, 1045170), (79, 1031940), (81, 1006460), (84, 970515), (90, 905814), (91, 895860), (98, 831870), (105, 776412), (108, 754845), (117, 696780), (126, 647010), (130, 627102), (135, 603876), (140, 582309), (147, 554580), (156, 522585), (158, 515970), (162, 503230), (180, 452907), (182, 447930), (189, 431340), (195, 418068), (196, 415935), (210, 388206), (234, 348390), (237, 343980), (245, 332748), (252, 323505), (260, 313551), (270, 301938), (273, 298620), (294, 277290), (315, 258804), (316, 257985), (324, 251615), (351, 232260), (364, 223965), (378, 215670), (390, 209034), (395, 206388), (405, 201292), (420, 194103), (441, 184860), (455, 179172), (468, 174195), (474, 171990), (490, 166374), (540, 150969), (546, 149310), (553, 147420), (567, 143780), (585, 139356), (588, 138645), (630, 129402), (637, 127980), (702, 116130), (711, 114660), (735, 110916), (756, 107835), (780, 104517), (790, 103194), (810, 100646), (819, 99540), (882, 92430), (910, 89586), (945, 86268), (948, 85995), (980, 83187), (1027, 79380), (1053, 77420), (1092, 74655), (1106, 73710), (1134, 71890), (1170, 69678), (1185, 68796), (1260, 64701), (1274, 63990), (1323, 61620), (1365, 59724), (1404, 58065), (1422, 57330), (1470, 55458), (1580, 51597), (1620, 50323), (1638, 49770), (1659, 49140), (1755, 46452), (1764, 46215), (1820, 44793), (1890, 43134), (1911, 42660), (2054, 39690), (2106, 38710), (2133, 38220), (2205, 36972), (2212, 36855), (2268, 35945), (2340, 34839), (2370, 34398), (2457, 33180), (2548, 31995), (2646, 30810), (2730, 29862), (2765, 29484), (2835, 28756), (2844, 28665), (2940, 27729), (3081, 26460), (3185, 25596), (3276, 24885), (3318, 24570), (3510, 23226), (3555, 22932), (3780, 21567), (3822, 21330), (3871, 21060), (3969, 20540), (4095, 19908), (4108, 19845), (4212, 19355), (4266, 19110), (4410, 18486), (4740, 17199), (4914, 16590), (4977, 16380), (5135, 15876), (5265, 15484), (5292, 15405), (5460, 14931), (5530, 14742), (5670, 14378), (5733, 14220), (6162, 13230), (6370, 12798), (6399, 12740), (6615, 12324), (6636, 12285), (7020, 11613), (7110, 11466), (7189, 11340), (7371, 11060), (7644, 10665), (7742, 10530), (7938, 10270), (8190, 9954), (8295, 9828), (8532, 9555), (8820, 9243)]