80399340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63809}}^1$

素因数の和:63831

約数の個数: 72

約数和(自身を含む): 278722080

約数和(自身を除く): 198322740

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, 63809, 127618, 191427, 255236, 319045, 382854, 446663, 574281, 638090, 765708, 893326, 957135, 1148562, 1276180, 1339989, 1786652, 1914270, 2233315, 2297124, 2679978, 2871405, 3828540, 4019967, 4466630, 5359956, 5742810, 6699945, 8039934, 8933260, 11485620, 13399890, 16079868, 20099835, 26799780, 40199670, 80399340]

約数ペア:

[(1, 80399340), (2, 40199670), (3, 26799780), (4, 20099835), (5, 16079868), (6, 13399890), (7, 11485620), (9, 8933260), (10, 8039934), (12, 6699945), (14, 5742810), (15, 5359956), (18, 4466630), (20, 4019967), (21, 3828540), (28, 2871405), (30, 2679978), (35, 2297124), (36, 2233315), (42, 1914270), (45, 1786652), (60, 1339989), (63, 1276180), (70, 1148562), (84, 957135), (90, 893326), (105, 765708), (126, 638090), (140, 574281), (180, 446663), (210, 382854), (252, 319045), (315, 255236), (420, 191427), (630, 127618), (1260, 63809)]