639366960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2664029}}^1$

素因数の和:2664045

約数の個数: 40

約数和(自身を含む): 1982038320

約数和(自身を除く): 1342671360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2664029, 5328058, 7992087, 10656116, 13320145, 15984174, 21312232, 26640290, 31968348, 39960435, 42624464, 53280580, 63936696, 79920870, 106561160, 127873392, 159841740, 213122320, 319683480, 639366960]

約数ペア:

[(1, 639366960), (2, 319683480), (3, 213122320), (4, 159841740), (5, 127873392), (6, 106561160), (8, 79920870), (10, 63936696), (12, 53280580), (15, 42624464), (16, 39960435), (20, 31968348), (24, 26640290), (30, 21312232), (40, 15984174), (48, 13320145), (60, 10656116), (80, 7992087), (120, 5328058), (240, 2664029)]