2788020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1721}}^1$

素因数の和:1742

約数の個数: 60

約数和(自身を含む): 8751204

約数和(自身を除く): 5963184

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 1721, 3442, 5163, 6884, 8605, 10326, 15489, 17210, 20652, 25815, 30978, 34420, 46467, 51630, 61956, 77445, 92934, 103260, 139401, 154890, 185868, 232335, 278802, 309780, 464670, 557604, 697005, 929340, 1394010, 2788020]

約数ペア:

[(1, 2788020), (2, 1394010), (3, 929340), (4, 697005), (5, 557604), (6, 464670), (9, 309780), (10, 278802), (12, 232335), (15, 185868), (18, 154890), (20, 139401), (27, 103260), (30, 92934), (36, 77445), (45, 61956), (54, 51630), (60, 46467), (81, 34420), (90, 30978), (108, 25815), (135, 20652), (162, 17210), (180, 15489), (270, 10326), (324, 8605), (405, 6884), (540, 5163), (810, 3442), (1620, 1721)]