257069520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1163}}^1$

素因数の和:1489

約数の個数: 120

約数和(自身を含む): 866882016

約数和(自身を除く): 609812496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 307, 360, 614, 720, 921, 1163, 1228, 1535, 1842, 2326, 2456, 2763, 3070, 3489, 3684, 4605, 4652, 4912, 5526, 5815, 6140, 6978, 7368, 9210, 9304, 10467, 11052, 11630, 12280, 13815, 13956, 14736, 17445, 18420, 18608, 20934, 22104, 23260, 24560, 27630, 27912, 34890, 36840, 41868, 44208, 46520, 52335, 55260, 55824, 69780, 73680, 83736, 93040, 104670, 110520, 139560, 167472, 209340, 221040, 279120, 357041, 418680, 714082, 837360, 1071123, 1428164, 1785205, 2142246, 2856328, 3213369, 3570410, 4284492, 5355615, 5712656, 6426738, 7140820, 8568984, 10711230, 12853476, 14281640, 16066845, 17137968, 21422460, 25706952, 28563280, 32133690, 42844920, 51413904, 64267380, 85689840, 128534760, 257069520]

約数ペア:

[(1, 257069520), (2, 128534760), (3, 85689840), (4, 64267380), (5, 51413904), (6, 42844920), (8, 32133690), (9, 28563280), (10, 25706952), (12, 21422460), (15, 17137968), (16, 16066845), (18, 14281640), (20, 12853476), (24, 10711230), (30, 8568984), (36, 7140820), (40, 6426738), (45, 5712656), (48, 5355615), (60, 4284492), (72, 3570410), (80, 3213369), (90, 2856328), (120, 2142246), (144, 1785205), (180, 1428164), (240, 1071123), (307, 837360), (360, 714082), (614, 418680), (720, 357041), (921, 279120), (1163, 221040), (1228, 209340), (1535, 167472), (1842, 139560), (2326, 110520), (2456, 104670), (2763, 93040), (3070, 83736), (3489, 73680), (3684, 69780), (4605, 55824), (4652, 55260), (4912, 52335), (5526, 46520), (5815, 44208), (6140, 41868), (6978, 36840), (7368, 34890), (9210, 27912), (9304, 27630), (10467, 24560), (11052, 23260), (11630, 22104), (12280, 20934), (13815, 18608), (13956, 18420), (14736, 17445)]