155783960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73483}}^1$

素因数の和:73547

約数の個数: 32

約数和(自身を含む): 357132240

約数和(自身を除く): 201348280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 73483, 146966, 293932, 367415, 587864, 734830, 1469660, 2939320, 3894599, 7789198, 15578396, 19472995, 31156792, 38945990, 77891980, 155783960]

約数ペア:

[(1, 155783960), (2, 77891980), (4, 38945990), (5, 31156792), (8, 19472995), (10, 15578396), (20, 7789198), (40, 3894599), (53, 2939320), (106, 1469660), (212, 734830), (265, 587864), (424, 367415), (530, 293932), (1060, 146966), (2120, 73483)]