128647520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:784

約数の個数: 96

約数和(自身を含む): 322672896

約数和(自身を除く): 194025376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 124, 148, 155, 160, 185, 248, 296, 310, 370, 496, 592, 620, 701, 740, 992, 1147, 1184, 1240, 1402, 1480, 2294, 2480, 2804, 2960, 3505, 4588, 4960, 5608, 5735, 5920, 7010, 9176, 11216, 11470, 14020, 18352, 21731, 22432, 22940, 25937, 28040, 36704, 43462, 45880, 51874, 56080, 86924, 91760, 103748, 108655, 112160, 129685, 173848, 183520, 207496, 217310, 259370, 347696, 414992, 434620, 518740, 695392, 804047, 829984, 869240, 1037480, 1608094, 1738480, 2074960, 3216188, 3476960, 4020235, 4149920, 6432376, 8040470, 12864752, 16080940, 25729504, 32161880, 64323760, 128647520]

約数ペア:

[(1, 128647520), (2, 64323760), (4, 32161880), (5, 25729504), (8, 16080940), (10, 12864752), (16, 8040470), (20, 6432376), (31, 4149920), (32, 4020235), (37, 3476960), (40, 3216188), (62, 2074960), (74, 1738480), (80, 1608094), (124, 1037480), (148, 869240), (155, 829984), (160, 804047), (185, 695392), (248, 518740), (296, 434620), (310, 414992), (370, 347696), (496, 259370), (592, 217310), (620, 207496), (701, 183520), (740, 173848), (992, 129685), (1147, 112160), (1184, 108655), (1240, 103748), (1402, 91760), (1480, 86924), (2294, 56080), (2480, 51874), (2804, 45880), (2960, 43462), (3505, 36704), (4588, 28040), (4960, 25937), (5608, 22940), (5735, 22432), (5920, 21731), (7010, 18352), (9176, 14020), (11216, 11470)]