79540280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2207}}^1$

素因数の和:2288

約数の個数: 64

約数和(自身を含む): 193155840

約数和(自身を除く): 113615560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 2207, 3604, 4414, 4505, 7208, 8828, 9010, 11035, 17656, 18020, 22070, 36040, 37519, 44140, 75038, 88280, 116971, 150076, 187595, 233942, 300152, 375190, 467884, 584855, 750380, 935768, 1169710, 1500760, 1988507, 2339420, 3977014, 4678840, 7954028, 9942535, 15908056, 19885070, 39770140, 79540280]

約数ペア:

[(1, 79540280), (2, 39770140), (4, 19885070), (5, 15908056), (8, 9942535), (10, 7954028), (17, 4678840), (20, 3977014), (34, 2339420), (40, 1988507), (53, 1500760), (68, 1169710), (85, 935768), (106, 750380), (136, 584855), (170, 467884), (212, 375190), (265, 300152), (340, 233942), (424, 187595), (530, 150076), (680, 116971), (901, 88280), (1060, 75038), (1802, 44140), (2120, 37519), (2207, 36040), (3604, 22070), (4414, 18020), (4505, 17656), (7208, 11035), (8828, 9010)]