67964960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{8669}}^1$

素因数の和:8698

約数の個数: 72

約数和(自身を含む): 186803820

約数和(自身を除く): 118838860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8669, 17338, 34676, 43345, 60683, 69352, 86690, 121366, 138704, 173380, 242732, 277408, 303415, 346760, 424781, 485464, 606830, 693520, 849562, 970928, 1213660, 1387040, 1699124, 1941856, 2123905, 2427320, 3398248, 4247810, 4854640, 6796496, 8495620, 9709280, 13592992, 16991240, 33982480, 67964960]

約数ペア:

[(1, 67964960), (2, 33982480), (4, 16991240), (5, 13592992), (7, 9709280), (8, 8495620), (10, 6796496), (14, 4854640), (16, 4247810), (20, 3398248), (28, 2427320), (32, 2123905), (35, 1941856), (40, 1699124), (49, 1387040), (56, 1213660), (70, 970928), (80, 849562), (98, 693520), (112, 606830), (140, 485464), (160, 424781), (196, 346760), (224, 303415), (245, 277408), (280, 242732), (392, 173380), (490, 138704), (560, 121366), (784, 86690), (980, 69352), (1120, 60683), (1568, 43345), (1960, 34676), (3920, 17338), (7840, 8669)]