691020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 2293200

約数和(自身を除く): 1602180

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, 349, 396, 495, 660, 698, 990, 1047, 1396, 1745, 1980, 2094, 3141, 3490, 3839, 4188, 5235, 6282, 6980, 7678, 10470, 11517, 12564, 15356, 15705, 19195, 20940, 23034, 31410, 34551, 38390, 46068, 57585, 62820, 69102, 76780, 115170, 138204, 172755, 230340, 345510, 691020]

約数ペア:

[(1, 691020), (2, 345510), (3, 230340), (4, 172755), (5, 138204), (6, 115170), (9, 76780), (10, 69102), (11, 62820), (12, 57585), (15, 46068), (18, 38390), (20, 34551), (22, 31410), (30, 23034), (33, 20940), (36, 19195), (44, 15705), (45, 15356), (55, 12564), (60, 11517), (66, 10470), (90, 7678), (99, 6980), (110, 6282), (132, 5235), (165, 4188), (180, 3839), (198, 3490), (220, 3141), (330, 2094), (349, 1980), (396, 1745), (495, 1396), (660, 1047), (698, 990)]