61664780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{619}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 137803680

約数和(自身を除く): 76138900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 293, 340, 586, 619, 1172, 1238, 1465, 2476, 2930, 3095, 4981, 5860, 6190, 9962, 10523, 12380, 19924, 21046, 24905, 42092, 49810, 52615, 99620, 105230, 181367, 210460, 362734, 725468, 906835, 1813670, 3083239, 3627340, 6166478, 12332956, 15416195, 30832390, 61664780]

約数ペア:

[(1, 61664780), (2, 30832390), (4, 15416195), (5, 12332956), (10, 6166478), (17, 3627340), (20, 3083239), (34, 1813670), (68, 906835), (85, 725468), (170, 362734), (293, 210460), (340, 181367), (586, 105230), (619, 99620), (1172, 52615), (1238, 49810), (1465, 42092), (2476, 24905), (2930, 21046), (3095, 19924), (4981, 12380), (5860, 10523), (6190, 9962)]