21570480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29959}}^1$

素因数の和:29978

約数の個数: 60

約数和(自身を含む): 72443280

約数和(自身を除く): 50872800

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, 180, 240, 360, 720, 29959, 59918, 89877, 119836, 149795, 179754, 239672, 269631, 299590, 359508, 449385, 479344, 539262, 599180, 719016, 898770, 1078524, 1198360, 1348155, 1438032, 1797540, 2157048, 2396720, 2696310, 3595080, 4314096, 5392620, 7190160, 10785240, 21570480]

約数ペア:

[(1, 21570480), (2, 10785240), (3, 7190160), (4, 5392620), (5, 4314096), (6, 3595080), (8, 2696310), (9, 2396720), (10, 2157048), (12, 1797540), (15, 1438032), (16, 1348155), (18, 1198360), (20, 1078524), (24, 898770), (30, 719016), (36, 599180), (40, 539262), (45, 479344), (48, 449385), (60, 359508), (72, 299590), (80, 269631), (90, 239672), (120, 179754), (144, 149795), (180, 119836), (240, 89877), (360, 59918), (720, 29959)]