31690620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 107321760

約数和(自身を除く): 75631140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 467, 468, 522, 580, 585, 754, 780, 870, 934, 1044, 1131, 1170, 1305, 1401, 1508, 1740, 1868, 1885, 2262, 2335, 2340, 2610, 2802, 3393, 3770, 4203, 4524, 4670, 5220, 5604, 5655, 6071, 6786, 7005, 7540, 8406, 9340, 11310, 12142, 13543, 13572, 14010, 16812, 16965, 18213, 21015, 22620, 24284, 27086, 28020, 30355, 33930, 36426, 40629, 42030, 54172, 54639, 60710, 67715, 67860, 72852, 81258, 84060, 91065, 109278, 121420, 121887, 135430, 162516, 176059, 182130, 203145, 218556, 243774, 270860, 273195, 352118, 364260, 406290, 487548, 528177, 546390, 609435, 704236, 812580, 880295, 1056354, 1092780, 1218870, 1584531, 1760590, 2112708, 2437740, 2640885, 3169062, 3521180, 5281770, 6338124, 7922655, 10563540, 15845310, 31690620]

約数ペア:

[(1, 31690620), (2, 15845310), (3, 10563540), (4, 7922655), (5, 6338124), (6, 5281770), (9, 3521180), (10, 3169062), (12, 2640885), (13, 2437740), (15, 2112708), (18, 1760590), (20, 1584531), (26, 1218870), (29, 1092780), (30, 1056354), (36, 880295), (39, 812580), (45, 704236), (52, 609435), (58, 546390), (60, 528177), (65, 487548), (78, 406290), (87, 364260), (90, 352118), (116, 273195), (117, 270860), (130, 243774), (145, 218556), (156, 203145), (174, 182130), (180, 176059), (195, 162516), (234, 135430), (260, 121887), (261, 121420), (290, 109278), (348, 91065), (377, 84060), (390, 81258), (435, 72852), (467, 67860), (468, 67715), (522, 60710), (580, 54639), (585, 54172), (754, 42030), (780, 40629), (870, 36426), (934, 33930), (1044, 30355), (1131, 28020), (1170, 27086), (1305, 24284), (1401, 22620), (1508, 21015), (1740, 18213), (1868, 16965), (1885, 16812), (2262, 14010), (2335, 13572), (2340, 13543), (2610, 12142), (2802, 11310), (3393, 9340), (3770, 8406), (4203, 7540), (4524, 7005), (4670, 6786), (5220, 6071), (5604, 5655)]