78568980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187069}}^1$

素因数の和:187088

約数の個数: 48

約数和(自身を含む): 251422080

約数和(自身を除く): 172853100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 187069, 374138, 561207, 748276, 935345, 1122414, 1309483, 1870690, 2244828, 2618966, 2806035, 3741380, 3928449, 5237932, 5612070, 6547415, 7856898, 11224140, 13094830, 15713796, 19642245, 26189660, 39284490, 78568980]

約数ペア:

[(1, 78568980), (2, 39284490), (3, 26189660), (4, 19642245), (5, 15713796), (6, 13094830), (7, 11224140), (10, 7856898), (12, 6547415), (14, 5612070), (15, 5237932), (20, 3928449), (21, 3741380), (28, 2806035), (30, 2618966), (35, 2244828), (42, 1870690), (60, 1309483), (70, 1122414), (84, 935345), (105, 748276), (140, 561207), (210, 374138), (420, 187069)]