156694360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 361584000

約数和(自身を除く): 204889640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 149, 244, 298, 305, 431, 488, 596, 610, 745, 862, 1192, 1220, 1490, 1724, 2155, 2440, 2980, 3448, 4310, 5960, 8620, 9089, 17240, 18178, 26291, 36356, 45445, 52582, 64219, 72712, 90890, 105164, 128438, 131455, 181780, 210328, 256876, 262910, 321095, 363560, 513752, 525820, 642190, 1051640, 1284380, 2568760, 3917359, 7834718, 15669436, 19586795, 31338872, 39173590, 78347180, 156694360]

約数ペア:

[(1, 156694360), (2, 78347180), (4, 39173590), (5, 31338872), (8, 19586795), (10, 15669436), (20, 7834718), (40, 3917359), (61, 2568760), (122, 1284380), (149, 1051640), (244, 642190), (298, 525820), (305, 513752), (431, 363560), (488, 321095), (596, 262910), (610, 256876), (745, 210328), (862, 181780), (1192, 131455), (1220, 128438), (1490, 105164), (1724, 90890), (2155, 72712), (2440, 64219), (2980, 52582), (3448, 45445), (4310, 36356), (5960, 26291), (8620, 18178), (9089, 17240)]