1630020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3881}}^1$

素因数の和:3900

約数の個数: 48

約数和(自身を含む): 5217408

約数和(自身を除く): 3587388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3881, 7762, 11643, 15524, 19405, 23286, 27167, 38810, 46572, 54334, 58215, 77620, 81501, 108668, 116430, 135835, 163002, 232860, 271670, 326004, 407505, 543340, 815010, 1630020]

約数ペア:

[(1, 1630020), (2, 815010), (3, 543340), (4, 407505), (5, 326004), (6, 271670), (7, 232860), (10, 163002), (12, 135835), (14, 116430), (15, 108668), (20, 81501), (21, 77620), (28, 58215), (30, 54334), (35, 46572), (42, 38810), (60, 27167), (70, 23286), (84, 19405), (105, 15524), (140, 11643), (210, 7762), (420, 3881)]