78028020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61927}}^1$

素因数の和:61949

約数の個数: 72

約数和(自身を含む): 270501504

約数和(自身を除く): 192473484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 61927, 123854, 185781, 247708, 309635, 371562, 433489, 557343, 619270, 743124, 866978, 928905, 1114686, 1238540, 1300467, 1733956, 1857810, 2167445, 2229372, 2600934, 2786715, 3715620, 3901401, 4334890, 5201868, 5573430, 6502335, 7802802, 8669780, 11146860, 13004670, 15605604, 19507005, 26009340, 39014010, 78028020]

約数ペア:

[(1, 78028020), (2, 39014010), (3, 26009340), (4, 19507005), (5, 15605604), (6, 13004670), (7, 11146860), (9, 8669780), (10, 7802802), (12, 6502335), (14, 5573430), (15, 5201868), (18, 4334890), (20, 3901401), (21, 3715620), (28, 2786715), (30, 2600934), (35, 2229372), (36, 2167445), (42, 1857810), (45, 1733956), (60, 1300467), (63, 1238540), (70, 1114686), (84, 928905), (90, 866978), (105, 743124), (126, 619270), (140, 557343), (180, 433489), (210, 371562), (252, 309635), (315, 247708), (420, 185781), (630, 123854), (1260, 61927)]