216754740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{6653}}^1$

素因数の和:6849

約数の個数: 72

約数和(自身を含む): 661221288

約数和(自身を除く): 444466548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 6653, 8145, 10860, 13306, 16290, 19959, 26612, 32580, 33265, 39918, 59877, 66530, 79836, 99795, 119754, 133060, 199590, 239508, 299385, 399180, 598770, 1197540, 1204193, 2408386, 3612579, 4816772, 6020965, 7225158, 10837737, 12041930, 14450316, 18062895, 21675474, 24083860, 36125790, 43350948, 54188685, 72251580, 108377370, 216754740]

約数ペア:

[(1, 216754740), (2, 108377370), (3, 72251580), (4, 54188685), (5, 43350948), (6, 36125790), (9, 24083860), (10, 21675474), (12, 18062895), (15, 14450316), (18, 12041930), (20, 10837737), (30, 7225158), (36, 6020965), (45, 4816772), (60, 3612579), (90, 2408386), (180, 1204193), (181, 1197540), (362, 598770), (543, 399180), (724, 299385), (905, 239508), (1086, 199590), (1629, 133060), (1810, 119754), (2172, 99795), (2715, 79836), (3258, 66530), (3620, 59877), (5430, 39918), (6516, 33265), (6653, 32580), (8145, 26612), (10860, 19959), (13306, 16290)]