72620520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86453}}^1$

素因数の和:86474

約数の個数: 64

約数和(自身を含む): 248987520

約数和(自身を除く): 176367000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86453, 172906, 259359, 345812, 432265, 518718, 605171, 691624, 864530, 1037436, 1210342, 1296795, 1729060, 1815513, 2074872, 2420684, 2593590, 3025855, 3458120, 3631026, 4841368, 5187180, 6051710, 7262052, 9077565, 10374360, 12103420, 14524104, 18155130, 24206840, 36310260, 72620520]

約数ペア:

[(1, 72620520), (2, 36310260), (3, 24206840), (4, 18155130), (5, 14524104), (6, 12103420), (7, 10374360), (8, 9077565), (10, 7262052), (12, 6051710), (14, 5187180), (15, 4841368), (20, 3631026), (21, 3458120), (24, 3025855), (28, 2593590), (30, 2420684), (35, 2074872), (40, 1815513), (42, 1729060), (56, 1296795), (60, 1210342), (70, 1037436), (84, 864530), (105, 691624), (120, 605171), (140, 518718), (168, 432265), (210, 345812), (280, 259359), (420, 172906), (840, 86453)]