66787440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{661}}^1$

素因数の和:1098

約数の個数: 80

約数和(自身を含む): 207846816

約数和(自身を除く): 141059376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 661, 842, 1263, 1322, 1684, 1983, 2105, 2526, 2644, 3305, 3368, 3966, 4210, 5052, 5288, 6315, 6610, 6736, 7932, 8420, 9915, 10104, 10576, 12630, 13220, 15864, 16840, 19830, 20208, 25260, 26440, 31728, 33680, 39660, 50520, 52880, 79320, 101040, 158640, 278281, 556562, 834843, 1113124, 1391405, 1669686, 2226248, 2782810, 3339372, 4174215, 4452496, 5565620, 6678744, 8348430, 11131240, 13357488, 16696860, 22262480, 33393720, 66787440]

約数ペア:

[(1, 66787440), (2, 33393720), (3, 22262480), (4, 16696860), (5, 13357488), (6, 11131240), (8, 8348430), (10, 6678744), (12, 5565620), (15, 4452496), (16, 4174215), (20, 3339372), (24, 2782810), (30, 2226248), (40, 1669686), (48, 1391405), (60, 1113124), (80, 834843), (120, 556562), (240, 278281), (421, 158640), (661, 101040), (842, 79320), (1263, 52880), (1322, 50520), (1684, 39660), (1983, 33680), (2105, 31728), (2526, 26440), (2644, 25260), (3305, 20208), (3368, 19830), (3966, 16840), (4210, 15864), (5052, 13220), (5288, 12630), (6315, 10576), (6610, 10104), (6736, 9915), (7932, 8420)]