89715990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:646

約数の個数: 128

約数和(自身を含む): 269982720

約数和(自身を除く): 180266730

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 59, 65, 70, 78, 91, 105, 118, 130, 177, 182, 195, 210, 273, 295, 354, 390, 413, 455, 546, 557, 590, 767, 826, 885, 910, 1114, 1239, 1365, 1534, 1671, 1770, 2065, 2301, 2478, 2730, 2785, 3342, 3835, 3899, 4130, 4602, 5369, 5570, 6195, 7241, 7670, 7798, 8355, 10738, 11505, 11697, 12390, 14482, 16107, 16710, 19495, 21723, 23010, 23394, 26845, 32214, 32863, 36205, 38990, 43446, 50687, 53690, 58485, 65726, 72410, 80535, 98589, 101374, 108615, 116970, 152061, 161070, 164315, 197178, 217230, 230041, 253435, 304122, 328630, 427219, 460082, 492945, 506870, 690123, 760305, 854438, 985890, 1150205, 1281657, 1380246, 1520610, 2136095, 2300410, 2563314, 2990533, 3450615, 4272190, 5981066, 6408285, 6901230, 8971599, 12816570, 14952665, 17943198, 29905330, 44857995, 89715990]

約数ペア:

[(1, 89715990), (2, 44857995), (3, 29905330), (5, 17943198), (6, 14952665), (7, 12816570), (10, 8971599), (13, 6901230), (14, 6408285), (15, 5981066), (21, 4272190), (26, 3450615), (30, 2990533), (35, 2563314), (39, 2300410), (42, 2136095), (59, 1520610), (65, 1380246), (70, 1281657), (78, 1150205), (91, 985890), (105, 854438), (118, 760305), (130, 690123), (177, 506870), (182, 492945), (195, 460082), (210, 427219), (273, 328630), (295, 304122), (354, 253435), (390, 230041), (413, 217230), (455, 197178), (546, 164315), (557, 161070), (590, 152061), (767, 116970), (826, 108615), (885, 101374), (910, 98589), (1114, 80535), (1239, 72410), (1365, 65726), (1534, 58485), (1671, 53690), (1770, 50687), (2065, 43446), (2301, 38990), (2478, 36205), (2730, 32863), (2785, 32214), (3342, 26845), (3835, 23394), (3899, 23010), (4130, 21723), (4602, 19495), (5369, 16710), (5570, 16107), (6195, 14482), (7241, 12390), (7670, 11697), (7798, 11505), (8355, 10738)]