77691640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2819}}^1$

素因数の和:2896

約数の個数: 64

約数和(自身を含む): 191872800

約数和(自身を除く): 114181160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 2819, 3445, 5512, 5638, 6890, 11276, 13780, 14095, 22552, 27560, 28190, 36647, 56380, 73294, 112760, 146588, 149407, 183235, 293176, 298814, 366470, 597628, 732940, 747035, 1195256, 1465880, 1494070, 1942291, 2988140, 3884582, 5976280, 7769164, 9711455, 15538328, 19422910, 38845820, 77691640]

約数ペア:

[(1, 77691640), (2, 38845820), (4, 19422910), (5, 15538328), (8, 9711455), (10, 7769164), (13, 5976280), (20, 3884582), (26, 2988140), (40, 1942291), (52, 1494070), (53, 1465880), (65, 1195256), (104, 747035), (106, 732940), (130, 597628), (212, 366470), (260, 298814), (265, 293176), (424, 183235), (520, 149407), (530, 146588), (689, 112760), (1060, 73294), (1378, 56380), (2120, 36647), (2756, 28190), (2819, 27560), (3445, 22552), (5512, 14095), (5638, 13780), (6890, 11276)]