988891740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10007}}^1$

素因数の和:10089

約数の個数: 120

約数和(自身を含む): 3153360672

約数和(自身を除く): 2164468932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 540, 549, 610, 732, 810, 915, 1098, 1220, 1620, 1647, 1830, 2196, 2745, 3294, 3660, 4941, 5490, 6588, 8235, 9882, 10007, 10980, 16470, 19764, 20014, 24705, 30021, 32940, 40028, 49410, 50035, 60042, 90063, 98820, 100070, 120084, 150105, 180126, 200140, 270189, 300210, 360252, 450315, 540378, 600420, 610427, 810567, 900630, 1080756, 1220854, 1350945, 1621134, 1801260, 1831281, 2441708, 2701890, 3052135, 3242268, 3662562, 4052835, 5403780, 5493843, 6104270, 7325124, 8105670, 9156405, 10987686, 12208540, 16211340, 16481529, 18312810, 21975372, 27469215, 32963058, 36625620, 49444587, 54938430, 65926116, 82407645, 98889174, 109876860, 164815290, 197778348, 247222935, 329630580, 494445870, 988891740]

約数ペア:

[(1, 988891740), (2, 494445870), (3, 329630580), (4, 247222935), (5, 197778348), (6, 164815290), (9, 109876860), (10, 98889174), (12, 82407645), (15, 65926116), (18, 54938430), (20, 49444587), (27, 36625620), (30, 32963058), (36, 27469215), (45, 21975372), (54, 18312810), (60, 16481529), (61, 16211340), (81, 12208540), (90, 10987686), (108, 9156405), (122, 8105670), (135, 7325124), (162, 6104270), (180, 5493843), (183, 5403780), (244, 4052835), (270, 3662562), (305, 3242268), (324, 3052135), (366, 2701890), (405, 2441708), (540, 1831281), (549, 1801260), (610, 1621134), (732, 1350945), (810, 1220854), (915, 1080756), (1098, 900630), (1220, 810567), (1620, 610427), (1647, 600420), (1830, 540378), (2196, 450315), (2745, 360252), (3294, 300210), (3660, 270189), (4941, 200140), (5490, 180126), (6588, 150105), (8235, 120084), (9882, 100070), (10007, 98820), (10980, 90063), (16470, 60042), (19764, 50035), (20014, 49410), (24705, 40028), (30021, 32940)]