2590140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{881}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 8446032

約数和(自身を除く): 5855892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 881, 980, 1470, 1762, 2643, 2940, 3524, 4405, 5286, 6167, 8810, 10572, 12334, 13215, 17620, 18501, 24668, 26430, 30835, 37002, 43169, 52860, 61670, 74004, 86338, 92505, 123340, 129507, 172676, 185010, 215845, 259014, 370020, 431690, 518028, 647535, 863380, 1295070, 2590140]

約数ペア:

[(1, 2590140), (2, 1295070), (3, 863380), (4, 647535), (5, 518028), (6, 431690), (7, 370020), (10, 259014), (12, 215845), (14, 185010), (15, 172676), (20, 129507), (21, 123340), (28, 92505), (30, 86338), (35, 74004), (42, 61670), (49, 52860), (60, 43169), (70, 37002), (84, 30835), (98, 26430), (105, 24668), (140, 18501), (147, 17620), (196, 13215), (210, 12334), (245, 10572), (294, 8810), (420, 6167), (490, 5286), (588, 4405), (735, 3524), (881, 2940), (980, 2643), (1470, 1762)]