81566220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:591

約数の個数: 96

約数和(自身を含む): 237758976

約数和(自身を除く): 156192756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 71, 82, 123, 142, 164, 205, 213, 246, 284, 355, 410, 426, 467, 492, 615, 710, 820, 852, 934, 1065, 1230, 1401, 1420, 1868, 2130, 2335, 2460, 2802, 2911, 4260, 4670, 5604, 5822, 7005, 8733, 9340, 11644, 14010, 14555, 17466, 19147, 28020, 29110, 33157, 34932, 38294, 43665, 57441, 58220, 66314, 76588, 87330, 95735, 99471, 114882, 132628, 165785, 174660, 191470, 198942, 229764, 287205, 331570, 382940, 397884, 497355, 574410, 663140, 994710, 1148820, 1359437, 1989420, 2718874, 4078311, 5437748, 6797185, 8156622, 13594370, 16313244, 20391555, 27188740, 40783110, 81566220]

約数ペア:

[(1, 81566220), (2, 40783110), (3, 27188740), (4, 20391555), (5, 16313244), (6, 13594370), (10, 8156622), (12, 6797185), (15, 5437748), (20, 4078311), (30, 2718874), (41, 1989420), (60, 1359437), (71, 1148820), (82, 994710), (123, 663140), (142, 574410), (164, 497355), (205, 397884), (213, 382940), (246, 331570), (284, 287205), (355, 229764), (410, 198942), (426, 191470), (467, 174660), (492, 165785), (615, 132628), (710, 114882), (820, 99471), (852, 95735), (934, 87330), (1065, 76588), (1230, 66314), (1401, 58220), (1420, 57441), (1868, 43665), (2130, 38294), (2335, 34932), (2460, 33157), (2802, 29110), (2911, 28020), (4260, 19147), (4670, 17466), (5604, 14555), (5822, 14010), (7005, 11644), (8733, 9340)]