72415240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 174279600

約数和(自身を除く): 101864360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 872, 977, 1090, 1853, 1954, 2180, 3706, 3908, 4360, 4885, 7412, 7816, 9265, 9770, 14824, 16609, 18530, 19540, 33218, 37060, 39080, 66436, 74120, 83045, 106493, 132872, 166090, 212986, 332180, 425972, 532465, 664360, 851944, 1064930, 1810381, 2129860, 3620762, 4259720, 7241524, 9051905, 14483048, 18103810, 36207620, 72415240]

約数ペア:

[(1, 72415240), (2, 36207620), (4, 18103810), (5, 14483048), (8, 9051905), (10, 7241524), (17, 4259720), (20, 3620762), (34, 2129860), (40, 1810381), (68, 1064930), (85, 851944), (109, 664360), (136, 532465), (170, 425972), (218, 332180), (340, 212986), (436, 166090), (545, 132872), (680, 106493), (872, 83045), (977, 74120), (1090, 66436), (1853, 39080), (1954, 37060), (2180, 33218), (3706, 19540), (3908, 18530), (4360, 16609), (4885, 14824), (7412, 9770), (7816, 9265)]