51990480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:625

約数の個数: 120

約数和(自身を含む): 176069088

約数和(自身を除く): 124078608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 443, 489, 652, 720, 815, 886, 978, 1304, 1329, 1467, 1630, 1772, 1956, 2215, 2445, 2608, 2658, 2934, 3260, 3544, 3912, 3987, 4430, 4890, 5316, 5868, 6520, 6645, 7088, 7335, 7824, 7974, 8860, 9780, 10632, 11736, 13040, 13290, 14670, 15948, 17720, 19560, 19935, 21264, 23472, 26580, 29340, 31896, 35440, 39120, 39870, 53160, 58680, 63792, 72209, 79740, 106320, 117360, 144418, 159480, 216627, 288836, 318960, 361045, 433254, 577672, 649881, 722090, 866508, 1083135, 1155344, 1299762, 1444180, 1733016, 2166270, 2599524, 2888360, 3249405, 3466032, 4332540, 5199048, 5776720, 6498810, 8665080, 10398096, 12997620, 17330160, 25995240, 51990480]

約数ペア:

[(1, 51990480), (2, 25995240), (3, 17330160), (4, 12997620), (5, 10398096), (6, 8665080), (8, 6498810), (9, 5776720), (10, 5199048), (12, 4332540), (15, 3466032), (16, 3249405), (18, 2888360), (20, 2599524), (24, 2166270), (30, 1733016), (36, 1444180), (40, 1299762), (45, 1155344), (48, 1083135), (60, 866508), (72, 722090), (80, 649881), (90, 577672), (120, 433254), (144, 361045), (163, 318960), (180, 288836), (240, 216627), (326, 159480), (360, 144418), (443, 117360), (489, 106320), (652, 79740), (720, 72209), (815, 63792), (886, 58680), (978, 53160), (1304, 39870), (1329, 39120), (1467, 35440), (1630, 31896), (1772, 29340), (1956, 26580), (2215, 23472), (2445, 21264), (2608, 19935), (2658, 19560), (2934, 17720), (3260, 15948), (3544, 14670), (3912, 13290), (3987, 13040), (4430, 11736), (4890, 10632), (5316, 9780), (5868, 8860), (6520, 7974), (6645, 7824), (7088, 7335)]