81590480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3529}}^1$

素因数の和:3576

約数の個数: 60

約数和(自身を含む): 201570060

約数和(自身を除く): 119979580

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 3529, 4624, 5780, 7058, 11560, 14116, 17645, 23120, 28232, 35290, 56464, 59993, 70580, 119986, 141160, 239972, 282320, 299965, 479944, 599930, 959888, 1019881, 1199860, 2039762, 2399720, 4079524, 4799440, 5099405, 8159048, 10198810, 16318096, 20397620, 40795240, 81590480]

約数ペア:

[(1, 81590480), (2, 40795240), (4, 20397620), (5, 16318096), (8, 10198810), (10, 8159048), (16, 5099405), (17, 4799440), (20, 4079524), (34, 2399720), (40, 2039762), (68, 1199860), (80, 1019881), (85, 959888), (136, 599930), (170, 479944), (272, 299965), (289, 282320), (340, 239972), (578, 141160), (680, 119986), (1156, 70580), (1360, 59993), (1445, 56464), (2312, 35290), (2890, 28232), (3529, 23120), (4624, 17645), (5780, 14116), (7058, 11560)]