280653840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{389797}}^1$

素因数の和:389816

約数の個数: 60

約数和(自身を含む): 942531564

約数和(自身を除く): 661877724

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 389797, 779594, 1169391, 1559188, 1948985, 2338782, 3118376, 3508173, 3897970, 4677564, 5846955, 6236752, 7016346, 7795940, 9355128, 11693910, 14032692, 15591880, 17540865, 18710256, 23387820, 28065384, 31183760, 35081730, 46775640, 56130768, 70163460, 93551280, 140326920, 280653840]

約数ペア:

[(1, 280653840), (2, 140326920), (3, 93551280), (4, 70163460), (5, 56130768), (6, 46775640), (8, 35081730), (9, 31183760), (10, 28065384), (12, 23387820), (15, 18710256), (16, 17540865), (18, 15591880), (20, 14032692), (24, 11693910), (30, 9355128), (36, 7795940), (40, 7016346), (45, 6236752), (48, 5846955), (60, 4677564), (72, 3897970), (80, 3508173), (90, 3118376), (120, 2338782), (144, 1948985), (180, 1559188), (240, 1169391), (360, 779594), (720, 389797)]