84278180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2083}}^1$

素因数の和:2133

約数の個数: 72

約数和(自身を含む): 214968768

約数和(自身を除く): 130690588

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 1156, 1190, 1445, 2023, 2083, 2380, 2890, 4046, 4166, 5780, 8092, 8332, 10115, 10415, 14581, 20230, 20830, 29162, 35411, 40460, 41660, 58324, 70822, 72905, 141644, 145810, 177055, 247877, 291620, 354110, 495754, 601987, 708220, 991508, 1203974, 1239385, 2407948, 2478770, 3009935, 4213909, 4957540, 6019870, 8427818, 12039740, 16855636, 21069545, 42139090, 84278180]

約数ペア:

[(1, 84278180), (2, 42139090), (4, 21069545), (5, 16855636), (7, 12039740), (10, 8427818), (14, 6019870), (17, 4957540), (20, 4213909), (28, 3009935), (34, 2478770), (35, 2407948), (68, 1239385), (70, 1203974), (85, 991508), (119, 708220), (140, 601987), (170, 495754), (238, 354110), (289, 291620), (340, 247877), (476, 177055), (578, 145810), (595, 141644), (1156, 72905), (1190, 70822), (1445, 58324), (2023, 41660), (2083, 40460), (2380, 35411), (2890, 29162), (4046, 20830), (4166, 20230), (5780, 14581), (8092, 10415), (8332, 10115)]