158548760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 365601600

約数和(自身を除く): 207052840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 181, 244, 305, 359, 362, 488, 610, 718, 724, 905, 1220, 1436, 1448, 1795, 1810, 2440, 2872, 3590, 3620, 7180, 7240, 11041, 14360, 21899, 22082, 43798, 44164, 55205, 64979, 87596, 88328, 109495, 110410, 129958, 175192, 218990, 220820, 259916, 324895, 437980, 441640, 519832, 649790, 875960, 1299580, 2599160, 3963719, 7927438, 15854876, 19818595, 31709752, 39637190, 79274380, 158548760]

約数ペア:

[(1, 158548760), (2, 79274380), (4, 39637190), (5, 31709752), (8, 19818595), (10, 15854876), (20, 7927438), (40, 3963719), (61, 2599160), (122, 1299580), (181, 875960), (244, 649790), (305, 519832), (359, 441640), (362, 437980), (488, 324895), (610, 259916), (718, 220820), (724, 218990), (905, 175192), (1220, 129958), (1436, 110410), (1448, 109495), (1795, 88328), (1810, 87596), (2440, 64979), (2872, 55205), (3590, 44164), (3620, 43798), (7180, 22082), (7240, 21899), (11041, 14360)]