66880060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 155687616

約数和(自身を除く): 88807556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 260, 338, 421, 470, 611, 676, 842, 845, 940, 1222, 1684, 1690, 2105, 2444, 3055, 3380, 4210, 5473, 6110, 7943, 8420, 10946, 12220, 15886, 19787, 21892, 27365, 31772, 39574, 39715, 54730, 71149, 79148, 79430, 98935, 109460, 142298, 158860, 197870, 257231, 284596, 355745, 395740, 514462, 711490, 1028924, 1286155, 1422980, 2572310, 3344003, 5144620, 6688006, 13376012, 16720015, 33440030, 66880060]

約数ペア:

[(1, 66880060), (2, 33440030), (4, 16720015), (5, 13376012), (10, 6688006), (13, 5144620), (20, 3344003), (26, 2572310), (47, 1422980), (52, 1286155), (65, 1028924), (94, 711490), (130, 514462), (169, 395740), (188, 355745), (235, 284596), (260, 257231), (338, 197870), (421, 158860), (470, 142298), (611, 109460), (676, 98935), (842, 79430), (845, 79148), (940, 71149), (1222, 54730), (1684, 39715), (1690, 39574), (2105, 31772), (2444, 27365), (3055, 21892), (3380, 19787), (4210, 15886), (5473, 12220), (6110, 10946), (7943, 8420)]