156551240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 366059520

約数和(自身を除く): 209508280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 191, 248, 310, 382, 620, 661, 764, 955, 1240, 1322, 1528, 1910, 2644, 3305, 3820, 5288, 5921, 6610, 7640, 11842, 13220, 20491, 23684, 26440, 29605, 40982, 47368, 59210, 81964, 102455, 118420, 126251, 163928, 204910, 236840, 252502, 409820, 505004, 631255, 819640, 1010008, 1262510, 2525020, 3913781, 5050040, 7827562, 15655124, 19568905, 31310248, 39137810, 78275620, 156551240]

約数ペア:

[(1, 156551240), (2, 78275620), (4, 39137810), (5, 31310248), (8, 19568905), (10, 15655124), (20, 7827562), (31, 5050040), (40, 3913781), (62, 2525020), (124, 1262510), (155, 1010008), (191, 819640), (248, 631255), (310, 505004), (382, 409820), (620, 252502), (661, 236840), (764, 204910), (955, 163928), (1240, 126251), (1322, 118420), (1528, 102455), (1910, 81964), (2644, 59210), (3305, 47368), (3820, 40982), (5288, 29605), (5921, 26440), (6610, 23684), (7640, 20491), (11842, 13220)]