21285398880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14781527}}^1$

素因数の和:14781548

約数の個数: 72

約数和(自身を含む): 72636428592

約数和(自身を除く): 51351029712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14781527, 29563054, 44344581, 59126108, 73907635, 88689162, 118252216, 133033743, 147815270, 177378324, 221722905, 236504432, 266067486, 295630540, 354756648, 443445810, 473008864, 532134972, 591261080, 665168715, 709513296, 886891620, 1064269944, 1182522160, 1330337430, 1419026592, 1773783240, 2128539888, 2365044320, 2660674860, 3547566480, 4257079776, 5321349720, 7095132960, 10642699440, 21285398880]

約数ペア:

[(1, 21285398880), (2, 10642699440), (3, 7095132960), (4, 5321349720), (5, 4257079776), (6, 3547566480), (8, 2660674860), (9, 2365044320), (10, 2128539888), (12, 1773783240), (15, 1419026592), (16, 1330337430), (18, 1182522160), (20, 1064269944), (24, 886891620), (30, 709513296), (32, 665168715), (36, 591261080), (40, 532134972), (45, 473008864), (48, 443445810), (60, 354756648), (72, 295630540), (80, 266067486), (90, 236504432), (96, 221722905), (120, 177378324), (144, 147815270), (160, 133033743), (180, 118252216), (240, 88689162), (288, 73907635), (360, 59126108), (480, 44344581), (720, 29563054), (1440, 14781527)]