64728370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 138101760

約数和(自身を除く): 73373390

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 73, 106, 146, 239, 265, 365, 371, 478, 511, 530, 730, 742, 1022, 1195, 1673, 1855, 2390, 2555, 3346, 3710, 3869, 5110, 7738, 8365, 12667, 16730, 17447, 19345, 25334, 27083, 34894, 38690, 54166, 63335, 87235, 88669, 122129, 126670, 135415, 174470, 177338, 244258, 270830, 443345, 610645, 886690, 924691, 1221290, 1849382, 4623455, 6472837, 9246910, 12945674, 32364185, 64728370]

約数ペア:

[(1, 64728370), (2, 32364185), (5, 12945674), (7, 9246910), (10, 6472837), (14, 4623455), (35, 1849382), (53, 1221290), (70, 924691), (73, 886690), (106, 610645), (146, 443345), (239, 270830), (265, 244258), (365, 177338), (371, 174470), (478, 135415), (511, 126670), (530, 122129), (730, 88669), (742, 87235), (1022, 63335), (1195, 54166), (1673, 38690), (1855, 34894), (2390, 27083), (2555, 25334), (3346, 19345), (3710, 17447), (3869, 16730), (5110, 12667), (7738, 8365)]