63927640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{997}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 165268800

約数和(自身を除く): 101341160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 458, 916, 997, 1145, 1603, 1832, 1994, 2290, 3206, 3988, 4580, 4985, 6412, 6979, 7976, 8015, 9160, 9970, 12824, 13958, 16030, 19940, 27916, 32060, 34895, 39880, 55832, 64120, 69790, 139580, 228313, 279160, 456626, 913252, 1141565, 1598191, 1826504, 2283130, 3196382, 4566260, 6392764, 7990955, 9132520, 12785528, 15981910, 31963820, 63927640]

約数ペア:

[(1, 63927640), (2, 31963820), (4, 15981910), (5, 12785528), (7, 9132520), (8, 7990955), (10, 6392764), (14, 4566260), (20, 3196382), (28, 2283130), (35, 1826504), (40, 1598191), (56, 1141565), (70, 913252), (140, 456626), (229, 279160), (280, 228313), (458, 139580), (916, 69790), (997, 64120), (1145, 55832), (1603, 39880), (1832, 34895), (1994, 32060), (2290, 27916), (3206, 19940), (3988, 16030), (4580, 13958), (4985, 12824), (6412, 9970), (6979, 9160), (7976, 8015)]