156864680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:679

約数の個数: 96

約数和(自身を含む): 413929440

約数和(自身を除く): 257064760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 163, 196, 245, 280, 326, 392, 490, 491, 652, 815, 980, 982, 1141, 1304, 1630, 1960, 1964, 2282, 2455, 3260, 3437, 3928, 4564, 4910, 5705, 6520, 6874, 7987, 9128, 9820, 11410, 13748, 15974, 17185, 19640, 22820, 24059, 27496, 31948, 34370, 39935, 45640, 48118, 63896, 68740, 79870, 80033, 96236, 120295, 137480, 159740, 160066, 192472, 240590, 319480, 320132, 400165, 481180, 560231, 640264, 800330, 962360, 1120462, 1600660, 2240924, 2801155, 3201320, 3921617, 4481848, 5602310, 7843234, 11204620, 15686468, 19608085, 22409240, 31372936, 39216170, 78432340, 156864680]

約数ペア:

[(1, 156864680), (2, 78432340), (4, 39216170), (5, 31372936), (7, 22409240), (8, 19608085), (10, 15686468), (14, 11204620), (20, 7843234), (28, 5602310), (35, 4481848), (40, 3921617), (49, 3201320), (56, 2801155), (70, 2240924), (98, 1600660), (140, 1120462), (163, 962360), (196, 800330), (245, 640264), (280, 560231), (326, 481180), (392, 400165), (490, 320132), (491, 319480), (652, 240590), (815, 192472), (980, 160066), (982, 159740), (1141, 137480), (1304, 120295), (1630, 96236), (1960, 80033), (1964, 79870), (2282, 68740), (2455, 63896), (3260, 48118), (3437, 45640), (3928, 39935), (4564, 34370), (4910, 31948), (5705, 27496), (6520, 24059), (6874, 22820), (7987, 19640), (9128, 17185), (9820, 15974), (11410, 13748)]