78972180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{188029}}^1$

素因数の和:188048

約数の個数: 48

約数和(自身を含む): 252712320

約数和(自身を除く): 173740140

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, 188029, 376058, 564087, 752116, 940145, 1128174, 1316203, 1880290, 2256348, 2632406, 2820435, 3760580, 3948609, 5264812, 5640870, 6581015, 7897218, 11281740, 13162030, 15794436, 19743045, 26324060, 39486090, 78972180]

約数ペア:

[(1, 78972180), (2, 39486090), (3, 26324060), (4, 19743045), (5, 15794436), (6, 13162030), (7, 11281740), (10, 7897218), (12, 6581015), (14, 5640870), (15, 5264812), (20, 3948609), (21, 3760580), (28, 2820435), (30, 2632406), (35, 2256348), (42, 1880290), (60, 1316203), (70, 1128174), (84, 940145), (105, 752116), (140, 564087), (210, 376058), (420, 188029)]