640652280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1567}}^1\times {\mathrm{3407}}^1$

素因数の和:4988

約数の個数: 64

約数和(自身を含む): 1923747840

約数和(自身を除く): 1283095560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1567, 3134, 3407, 4701, 6268, 6814, 7835, 9402, 10221, 12536, 13628, 15670, 17035, 18804, 20442, 23505, 27256, 31340, 34070, 37608, 40884, 47010, 51105, 62680, 68140, 81768, 94020, 102210, 136280, 188040, 204420, 408840, 5338769, 10677538, 16016307, 21355076, 26693845, 32032614, 42710152, 53387690, 64065228, 80081535, 106775380, 128130456, 160163070, 213550760, 320326140, 640652280]

約数ペア:

[(1, 640652280), (2, 320326140), (3, 213550760), (4, 160163070), (5, 128130456), (6, 106775380), (8, 80081535), (10, 64065228), (12, 53387690), (15, 42710152), (20, 32032614), (24, 26693845), (30, 21355076), (40, 16016307), (60, 10677538), (120, 5338769), (1567, 408840), (3134, 204420), (3407, 188040), (4701, 136280), (6268, 102210), (6814, 94020), (7835, 81768), (9402, 68140), (10221, 62680), (12536, 51105), (13628, 47010), (15670, 40884), (17035, 37608), (18804, 34070), (20442, 31340), (23505, 27256)]