158840240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{937}}^1$

素因数の和:1126

約数の個数: 80

約数和(自身を含む): 400578528

約数和(自身を除く): 241738288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 520, 652, 815, 937, 1040, 1304, 1630, 1874, 2119, 2608, 3260, 3748, 4238, 4685, 6520, 7496, 8476, 9370, 10595, 12181, 13040, 14992, 16952, 18740, 21190, 24362, 33904, 37480, 42380, 48724, 60905, 74960, 84760, 97448, 121810, 152731, 169520, 194896, 243620, 305462, 487240, 610924, 763655, 974480, 1221848, 1527310, 1985503, 2443696, 3054620, 3971006, 6109240, 7942012, 9927515, 12218480, 15884024, 19855030, 31768048, 39710060, 79420120, 158840240]

約数ペア:

[(1, 158840240), (2, 79420120), (4, 39710060), (5, 31768048), (8, 19855030), (10, 15884024), (13, 12218480), (16, 9927515), (20, 7942012), (26, 6109240), (40, 3971006), (52, 3054620), (65, 2443696), (80, 1985503), (104, 1527310), (130, 1221848), (163, 974480), (208, 763655), (260, 610924), (326, 487240), (520, 305462), (652, 243620), (815, 194896), (937, 169520), (1040, 152731), (1304, 121810), (1630, 97448), (1874, 84760), (2119, 74960), (2608, 60905), (3260, 48724), (3748, 42380), (4238, 37480), (4685, 33904), (6520, 24362), (7496, 21190), (8476, 18740), (9370, 16952), (10595, 14992), (12181, 13040)]