15917220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8039}}^1$

素因数の和:8065

約数の個数: 72

約数和(自身を含む): 52678080

約数和(自身を除く): 36760860

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, 8039, 16078, 24117, 32156, 40195, 48234, 72351, 80390, 88429, 96468, 120585, 144702, 160780, 176858, 241170, 265287, 289404, 353716, 361755, 442145, 482340, 530574, 723510, 795861, 884290, 1061148, 1326435, 1447020, 1591722, 1768580, 2652870, 3183444, 3979305, 5305740, 7958610, 15917220]

約数ペア:

[(1, 15917220), (2, 7958610), (3, 5305740), (4, 3979305), (5, 3183444), (6, 2652870), (9, 1768580), (10, 1591722), (11, 1447020), (12, 1326435), (15, 1061148), (18, 884290), (20, 795861), (22, 723510), (30, 530574), (33, 482340), (36, 442145), (44, 361755), (45, 353716), (55, 289404), (60, 265287), (66, 241170), (90, 176858), (99, 160780), (110, 144702), (132, 120585), (165, 96468), (180, 88429), (198, 80390), (220, 72351), (330, 48234), (396, 40195), (495, 32156), (660, 24117), (990, 16078), (1980, 8039)]