78337880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 185582880

約数和(自身を除く): 107245000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 740, 820, 1291, 1480, 1517, 1640, 2582, 3034, 5164, 6068, 6455, 7585, 10328, 12136, 12910, 15170, 25820, 30340, 47767, 51640, 52931, 60680, 95534, 105862, 191068, 211724, 238835, 264655, 382136, 423448, 477670, 529310, 955340, 1058620, 1910680, 1958447, 2117240, 3916894, 7833788, 9792235, 15667576, 19584470, 39168940, 78337880]

約数ペア:

[(1, 78337880), (2, 39168940), (4, 19584470), (5, 15667576), (8, 9792235), (10, 7833788), (20, 3916894), (37, 2117240), (40, 1958447), (41, 1910680), (74, 1058620), (82, 955340), (148, 529310), (164, 477670), (185, 423448), (205, 382136), (296, 264655), (328, 238835), (370, 211724), (410, 191068), (740, 105862), (820, 95534), (1291, 60680), (1480, 52931), (1517, 51640), (1640, 47767), (2582, 30340), (3034, 25820), (5164, 15170), (6068, 12910), (6455, 12136), (7585, 10328)]