172206840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1871}}^1$

素因数の和:1957

約数の個数: 128

約数和(自身を含む): 566092800

約数和(自身を除く): 393885960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 65, 78, 104, 118, 120, 130, 156, 177, 195, 236, 260, 295, 312, 354, 390, 472, 520, 590, 708, 767, 780, 885, 1180, 1416, 1534, 1560, 1770, 1871, 2301, 2360, 3068, 3540, 3742, 3835, 4602, 5613, 6136, 7080, 7484, 7670, 9204, 9355, 11226, 11505, 14968, 15340, 18408, 18710, 22452, 23010, 24323, 28065, 30680, 37420, 44904, 46020, 48646, 56130, 72969, 74840, 92040, 97292, 110389, 112260, 121615, 145938, 194584, 220778, 224520, 243230, 291876, 331167, 364845, 441556, 486460, 551945, 583752, 662334, 729690, 883112, 972920, 1103890, 1324668, 1435057, 1459380, 1655835, 2207780, 2649336, 2870114, 2918760, 3311670, 4305171, 4415560, 5740228, 6623340, 7175285, 8610342, 11480456, 13246680, 14350570, 17220684, 21525855, 28701140, 34441368, 43051710, 57402280, 86103420, 172206840]

約数ペア:

[(1, 172206840), (2, 86103420), (3, 57402280), (4, 43051710), (5, 34441368), (6, 28701140), (8, 21525855), (10, 17220684), (12, 14350570), (13, 13246680), (15, 11480456), (20, 8610342), (24, 7175285), (26, 6623340), (30, 5740228), (39, 4415560), (40, 4305171), (52, 3311670), (59, 2918760), (60, 2870114), (65, 2649336), (78, 2207780), (104, 1655835), (118, 1459380), (120, 1435057), (130, 1324668), (156, 1103890), (177, 972920), (195, 883112), (236, 729690), (260, 662334), (295, 583752), (312, 551945), (354, 486460), (390, 441556), (472, 364845), (520, 331167), (590, 291876), (708, 243230), (767, 224520), (780, 220778), (885, 194584), (1180, 145938), (1416, 121615), (1534, 112260), (1560, 110389), (1770, 97292), (1871, 92040), (2301, 74840), (2360, 72969), (3068, 56130), (3540, 48646), (3742, 46020), (3835, 44904), (4602, 37420), (5613, 30680), (6136, 28065), (7080, 24323), (7484, 23010), (7670, 22452), (9204, 18710), (9355, 18408), (11226, 15340), (11505, 14968)]