128165700

素因数分解:

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

素因数の和:646

約数の個数: 144

約数和(自身を含む): 406848960

約数和(自身を除く): 278683260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 59, 60, 65, 75, 78, 100, 118, 130, 150, 156, 177, 195, 236, 260, 295, 300, 325, 354, 390, 557, 590, 650, 708, 767, 780, 885, 975, 1114, 1180, 1300, 1475, 1534, 1671, 1770, 1950, 2228, 2301, 2785, 2950, 3068, 3342, 3540, 3835, 3900, 4425, 4602, 5570, 5900, 6684, 7241, 7670, 8355, 8850, 9204, 11140, 11505, 13925, 14482, 15340, 16710, 17700, 19175, 21723, 23010, 27850, 28964, 32863, 33420, 36205, 38350, 41775, 43446, 46020, 55700, 57525, 65726, 72410, 76700, 83550, 86892, 98589, 108615, 115050, 131452, 144820, 164315, 167100, 181025, 197178, 217230, 230100, 328630, 362050, 394356, 427219, 434460, 492945, 543075, 657260, 724100, 821575, 854438, 985890, 1086150, 1281657, 1643150, 1708876, 1971780, 2136095, 2172300, 2464725, 2563314, 3286300, 4272190, 4929450, 5126628, 6408285, 8544380, 9858900, 10680475, 12816570, 21360950, 25633140, 32041425, 42721900, 64082850, 128165700]

約数ペア:

[(1, 128165700), (2, 64082850), (3, 42721900), (4, 32041425), (5, 25633140), (6, 21360950), (10, 12816570), (12, 10680475), (13, 9858900), (15, 8544380), (20, 6408285), (25, 5126628), (26, 4929450), (30, 4272190), (39, 3286300), (50, 2563314), (52, 2464725), (59, 2172300), (60, 2136095), (65, 1971780), (75, 1708876), (78, 1643150), (100, 1281657), (118, 1086150), (130, 985890), (150, 854438), (156, 821575), (177, 724100), (195, 657260), (236, 543075), (260, 492945), (295, 434460), (300, 427219), (325, 394356), (354, 362050), (390, 328630), (557, 230100), (590, 217230), (650, 197178), (708, 181025), (767, 167100), (780, 164315), (885, 144820), (975, 131452), (1114, 115050), (1180, 108615), (1300, 98589), (1475, 86892), (1534, 83550), (1671, 76700), (1770, 72410), (1950, 65726), (2228, 57525), (2301, 55700), (2785, 46020), (2950, 43446), (3068, 41775), (3342, 38350), (3540, 36205), (3835, 33420), (3900, 32863), (4425, 28964), (4602, 27850), (5570, 23010), (5900, 21723), (6684, 19175), (7241, 17700), (7670, 16710), (8355, 15340), (8850, 14482), (9204, 13925), (11140, 11505)]