31266270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 97044480

約数和(自身を除く): 65778210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 233, 270, 315, 355, 378, 426, 466, 497, 630, 639, 699, 710, 945, 994, 1065, 1165, 1278, 1398, 1491, 1631, 1890, 1917, 2097, 2130, 2330, 2485, 2982, 3195, 3262, 3495, 3834, 4194, 4473, 4893, 4970, 6291, 6390, 6990, 7455, 8155, 8946, 9585, 9786, 10485, 12582, 13419, 14679, 14910, 16310, 16543, 19170, 20970, 22365, 24465, 26838, 29358, 31455, 33086, 44037, 44730, 48930, 49629, 62910, 67095, 73395, 82715, 88074, 99258, 115801, 134190, 146790, 148887, 165430, 220185, 231602, 248145, 297774, 347403, 440370, 446661, 496290, 579005, 694806, 744435, 893322, 1042209, 1158010, 1488870, 1737015, 2084418, 2233305, 3126627, 3474030, 4466610, 5211045, 6253254, 10422090, 15633135, 31266270]

約数ペア:

[(1, 31266270), (2, 15633135), (3, 10422090), (5, 6253254), (6, 5211045), (7, 4466610), (9, 3474030), (10, 3126627), (14, 2233305), (15, 2084418), (18, 1737015), (21, 1488870), (27, 1158010), (30, 1042209), (35, 893322), (42, 744435), (45, 694806), (54, 579005), (63, 496290), (70, 446661), (71, 440370), (90, 347403), (105, 297774), (126, 248145), (135, 231602), (142, 220185), (189, 165430), (210, 148887), (213, 146790), (233, 134190), (270, 115801), (315, 99258), (355, 88074), (378, 82715), (426, 73395), (466, 67095), (497, 62910), (630, 49629), (639, 48930), (699, 44730), (710, 44037), (945, 33086), (994, 31455), (1065, 29358), (1165, 26838), (1278, 24465), (1398, 22365), (1491, 20970), (1631, 19170), (1890, 16543), (1917, 16310), (2097, 14910), (2130, 14679), (2330, 13419), (2485, 12582), (2982, 10485), (3195, 9786), (3262, 9585), (3495, 8946), (3834, 8155), (4194, 7455), (4473, 6990), (4893, 6390), (4970, 6291)]