8680380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 24460800

約数和(自身を除く): 15780420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 727, 796, 995, 1194, 1454, 1990, 2181, 2388, 2908, 2985, 3635, 3980, 4362, 5970, 7270, 8724, 10905, 11940, 14540, 21810, 43620, 144673, 289346, 434019, 578692, 723365, 868038, 1446730, 1736076, 2170095, 2893460, 4340190, 8680380]

約数ペア:

[(1, 8680380), (2, 4340190), (3, 2893460), (4, 2170095), (5, 1736076), (6, 1446730), (10, 868038), (12, 723365), (15, 578692), (20, 434019), (30, 289346), (60, 144673), (199, 43620), (398, 21810), (597, 14540), (727, 11940), (796, 10905), (995, 8724), (1194, 7270), (1454, 5970), (1990, 4362), (2181, 3980), (2388, 3635), (2908, 2985)]