489291240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{51613}}^1$

素因数の和:51706

約数の個数: 64

約数和(自身を含む): 1486483200

約数和(自身を除く): 997191960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 51613, 103226, 154839, 206452, 258065, 309678, 412904, 516130, 619356, 774195, 1032260, 1238712, 1548390, 2064520, 3096780, 4077427, 6193560, 8154854, 12232281, 16309708, 20387135, 24464562, 32619416, 40774270, 48929124, 61161405, 81548540, 97858248, 122322810, 163097080, 244645620, 489291240]

約数ペア:

[(1, 489291240), (2, 244645620), (3, 163097080), (4, 122322810), (5, 97858248), (6, 81548540), (8, 61161405), (10, 48929124), (12, 40774270), (15, 32619416), (20, 24464562), (24, 20387135), (30, 16309708), (40, 12232281), (60, 8154854), (79, 6193560), (120, 4077427), (158, 3096780), (237, 2064520), (316, 1548390), (395, 1238712), (474, 1032260), (632, 774195), (790, 619356), (948, 516130), (1185, 412904), (1580, 309678), (1896, 258065), (2370, 206452), (3160, 154839), (4740, 103226), (9480, 51613)]