157304680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1321}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 383115600

約数和(自身を除く): 225810920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 229, 260, 458, 520, 916, 1145, 1321, 1832, 2290, 2642, 2977, 4580, 5284, 5954, 6605, 9160, 10568, 11908, 13210, 14885, 17173, 23816, 26420, 29770, 34346, 52840, 59540, 68692, 85865, 119080, 137384, 171730, 302509, 343460, 605018, 686920, 1210036, 1512545, 2420072, 3025090, 3932617, 6050180, 7865234, 12100360, 15730468, 19663085, 31460936, 39326170, 78652340, 157304680]

約数ペア:

[(1, 157304680), (2, 78652340), (4, 39326170), (5, 31460936), (8, 19663085), (10, 15730468), (13, 12100360), (20, 7865234), (26, 6050180), (40, 3932617), (52, 3025090), (65, 2420072), (104, 1512545), (130, 1210036), (229, 686920), (260, 605018), (458, 343460), (520, 302509), (916, 171730), (1145, 137384), (1321, 119080), (1832, 85865), (2290, 68692), (2642, 59540), (2977, 52840), (4580, 34346), (5284, 29770), (5954, 26420), (6605, 23816), (9160, 17173), (10568, 14885), (11908, 13210)]