318065220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{160639}}^1$

素因数の和:160665

約数の個数: 72

約数和(自身を含む): 1052513280

約数和(自身を除く): 734448060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 160639, 321278, 481917, 642556, 803195, 963834, 1445751, 1606390, 1767029, 1927668, 2409585, 2891502, 3212780, 3534058, 4819170, 5301087, 5783004, 7068116, 7228755, 8835145, 9638340, 10602174, 14457510, 15903261, 17670290, 21204348, 26505435, 28915020, 31806522, 35340580, 53010870, 63613044, 79516305, 106021740, 159032610, 318065220]

約数ペア:

[(1, 318065220), (2, 159032610), (3, 106021740), (4, 79516305), (5, 63613044), (6, 53010870), (9, 35340580), (10, 31806522), (11, 28915020), (12, 26505435), (15, 21204348), (18, 17670290), (20, 15903261), (22, 14457510), (30, 10602174), (33, 9638340), (36, 8835145), (44, 7228755), (45, 7068116), (55, 5783004), (60, 5301087), (66, 4819170), (90, 3534058), (99, 3212780), (110, 2891502), (132, 2409585), (165, 1927668), (180, 1767029), (198, 1606390), (220, 1445751), (330, 963834), (396, 803195), (495, 642556), (660, 481917), (990, 321278), (1980, 160639)]