68786380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 160114752

約数和(自身を除く): 91328372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 260, 338, 433, 470, 611, 676, 845, 866, 940, 1222, 1690, 1732, 2165, 2444, 3055, 3380, 4330, 5629, 6110, 7943, 8660, 11258, 12220, 15886, 20351, 22516, 28145, 31772, 39715, 40702, 56290, 73177, 79430, 81404, 101755, 112580, 146354, 158860, 203510, 264563, 292708, 365885, 407020, 529126, 731770, 1058252, 1322815, 1463540, 2645630, 3439319, 5291260, 6878638, 13757276, 17196595, 34393190, 68786380]

約数ペア:

[(1, 68786380), (2, 34393190), (4, 17196595), (5, 13757276), (10, 6878638), (13, 5291260), (20, 3439319), (26, 2645630), (47, 1463540), (52, 1322815), (65, 1058252), (94, 731770), (130, 529126), (169, 407020), (188, 365885), (235, 292708), (260, 264563), (338, 203510), (433, 158860), (470, 146354), (611, 112580), (676, 101755), (845, 81404), (866, 79430), (940, 73177), (1222, 56290), (1690, 40702), (1732, 39715), (2165, 31772), (2444, 28145), (3055, 22516), (3380, 20351), (4330, 15886), (5629, 12220), (6110, 11258), (7943, 8660)]