1290623580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{14369}}^1$

素因数の和:14883

約数の個数: 72

約数和(自身を含む): 3923010000

約数和(自身を除く): 2632386420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1497, 1996, 2495, 2994, 4491, 4990, 5988, 7485, 8982, 9980, 14369, 14970, 17964, 22455, 28738, 29940, 43107, 44910, 57476, 71845, 86214, 89820, 129321, 143690, 172428, 215535, 258642, 287380, 431070, 517284, 646605, 862140, 1293210, 2586420, 7170131, 14340262, 21510393, 28680524, 35850655, 43020786, 64531179, 71701310, 86041572, 107551965, 129062358, 143402620, 215103930, 258124716, 322655895, 430207860, 645311790, 1290623580]

約数ペア:

[(1, 1290623580), (2, 645311790), (3, 430207860), (4, 322655895), (5, 258124716), (6, 215103930), (9, 143402620), (10, 129062358), (12, 107551965), (15, 86041572), (18, 71701310), (20, 64531179), (30, 43020786), (36, 35850655), (45, 28680524), (60, 21510393), (90, 14340262), (180, 7170131), (499, 2586420), (998, 1293210), (1497, 862140), (1996, 646605), (2495, 517284), (2994, 431070), (4491, 287380), (4990, 258642), (5988, 215535), (7485, 172428), (8982, 143690), (9980, 129321), (14369, 89820), (14970, 86214), (17964, 71845), (22455, 57476), (28738, 44910), (29940, 43107)]