80573960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 188697600

約数和(自身を除く): 108123640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 181, 248, 310, 359, 362, 620, 718, 724, 905, 1240, 1436, 1448, 1795, 1810, 2872, 3590, 3620, 5611, 7180, 7240, 11129, 11222, 14360, 22258, 22444, 28055, 44516, 44888, 55645, 56110, 64979, 89032, 111290, 112220, 129958, 222580, 224440, 259916, 324895, 445160, 519832, 649790, 1299580, 2014349, 2599160, 4028698, 8057396, 10071745, 16114792, 20143490, 40286980, 80573960]

約数ペア:

[(1, 80573960), (2, 40286980), (4, 20143490), (5, 16114792), (8, 10071745), (10, 8057396), (20, 4028698), (31, 2599160), (40, 2014349), (62, 1299580), (124, 649790), (155, 519832), (181, 445160), (248, 324895), (310, 259916), (359, 224440), (362, 222580), (620, 129958), (718, 112220), (724, 111290), (905, 89032), (1240, 64979), (1436, 56110), (1448, 55645), (1795, 44888), (1810, 44516), (2872, 28055), (3590, 22444), (3620, 22258), (5611, 14360), (7180, 11222), (7240, 11129)]