489056880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{156749}}^1$

素因数の和:156778

約数の個数: 80

約数和(自身を含む): 1632708000

約数和(自身を除く): 1143651120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 156749, 313498, 470247, 626996, 783745, 940494, 1253992, 1567490, 1880988, 2037737, 2351235, 2507984, 3134980, 3761976, 4075474, 4702470, 6113211, 6269960, 7523952, 8150948, 9404940, 10188685, 12226422, 12539920, 16301896, 18809880, 20377370, 24452844, 30566055, 32603792, 37619760, 40754740, 48905688, 61132110, 81509480, 97811376, 122264220, 163018960, 244528440, 489056880]

約数ペア:

[(1, 489056880), (2, 244528440), (3, 163018960), (4, 122264220), (5, 97811376), (6, 81509480), (8, 61132110), (10, 48905688), (12, 40754740), (13, 37619760), (15, 32603792), (16, 30566055), (20, 24452844), (24, 20377370), (26, 18809880), (30, 16301896), (39, 12539920), (40, 12226422), (48, 10188685), (52, 9404940), (60, 8150948), (65, 7523952), (78, 6269960), (80, 6113211), (104, 4702470), (120, 4075474), (130, 3761976), (156, 3134980), (195, 2507984), (208, 2351235), (240, 2037737), (260, 1880988), (312, 1567490), (390, 1253992), (520, 940494), (624, 783745), (780, 626996), (1040, 470247), (1560, 313498), (3120, 156749)]