64810520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1692

約数の個数: 64

約数和(自身を含む): 156492000

約数和(自身を除く): 91681480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 1609, 2014, 2120, 3218, 4028, 5035, 6436, 8045, 8056, 10070, 12872, 16090, 20140, 30571, 32180, 40280, 61142, 64360, 85277, 122284, 152855, 170554, 244568, 305710, 341108, 426385, 611420, 682216, 852770, 1222840, 1620263, 1705540, 3240526, 3411080, 6481052, 8101315, 12962104, 16202630, 32405260, 64810520]

約数ペア:

[(1, 64810520), (2, 32405260), (4, 16202630), (5, 12962104), (8, 8101315), (10, 6481052), (19, 3411080), (20, 3240526), (38, 1705540), (40, 1620263), (53, 1222840), (76, 852770), (95, 682216), (106, 611420), (152, 426385), (190, 341108), (212, 305710), (265, 244568), (380, 170554), (424, 152855), (530, 122284), (760, 85277), (1007, 64360), (1060, 61142), (1609, 40280), (2014, 32180), (2120, 30571), (3218, 20140), (4028, 16090), (5035, 12872), (6436, 10070), (8045, 8056)]