90298980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2099}}^1$

素因数の和:2353

約数の個数: 72

約数和(自身を含む): 275184000

約数和(自身を除く): 184885020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2099, 2151, 2390, 2868, 3585, 4198, 4302, 4780, 6297, 7170, 8396, 8604, 10495, 10755, 12594, 14340, 18891, 20990, 21510, 25188, 31485, 37782, 41980, 43020, 62970, 75564, 94455, 125940, 188910, 377820, 501661, 1003322, 1504983, 2006644, 2508305, 3009966, 4514949, 5016610, 6019932, 7524915, 9029898, 10033220, 15049830, 18059796, 22574745, 30099660, 45149490, 90298980]

約数ペア:

[(1, 90298980), (2, 45149490), (3, 30099660), (4, 22574745), (5, 18059796), (6, 15049830), (9, 10033220), (10, 9029898), (12, 7524915), (15, 6019932), (18, 5016610), (20, 4514949), (30, 3009966), (36, 2508305), (45, 2006644), (60, 1504983), (90, 1003322), (180, 501661), (239, 377820), (478, 188910), (717, 125940), (956, 94455), (1195, 75564), (1434, 62970), (2099, 43020), (2151, 41980), (2390, 37782), (2868, 31485), (3585, 25188), (4198, 21510), (4302, 20990), (4780, 18891), (6297, 14340), (7170, 12594), (8396, 10755), (8604, 10495)]