78362960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 197904000

約数和(自身を除く): 119541040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 151, 208, 260, 302, 499, 520, 604, 755, 998, 1040, 1208, 1510, 1963, 1996, 2416, 2495, 3020, 3926, 3992, 4990, 6040, 6487, 7852, 7984, 9815, 9980, 12080, 12974, 15704, 19630, 19960, 25948, 31408, 32435, 39260, 39920, 51896, 64870, 75349, 78520, 103792, 129740, 150698, 157040, 259480, 301396, 376745, 518960, 602792, 753490, 979537, 1205584, 1506980, 1959074, 3013960, 3918148, 4897685, 6027920, 7836296, 9795370, 15672592, 19590740, 39181480, 78362960]

約数ペア:

[(1, 78362960), (2, 39181480), (4, 19590740), (5, 15672592), (8, 9795370), (10, 7836296), (13, 6027920), (16, 4897685), (20, 3918148), (26, 3013960), (40, 1959074), (52, 1506980), (65, 1205584), (80, 979537), (104, 753490), (130, 602792), (151, 518960), (208, 376745), (260, 301396), (302, 259480), (499, 157040), (520, 150698), (604, 129740), (755, 103792), (998, 78520), (1040, 75349), (1208, 64870), (1510, 51896), (1963, 39920), (1996, 39260), (2416, 32435), (2495, 31408), (3020, 25948), (3926, 19960), (3992, 19630), (4990, 15704), (6040, 12974), (6487, 12080), (7852, 9980), (7984, 9815)]