280891200

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:585

約数の個数: 168

約数和(自身を含む): 930391840

約数和(自身を除く): 649500640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 139, 150, 160, 192, 200, 240, 278, 300, 320, 400, 417, 421, 480, 556, 600, 695, 800, 834, 842, 960, 1112, 1200, 1263, 1390, 1600, 1668, 1684, 2085, 2105, 2224, 2400, 2526, 2780, 3336, 3368, 3475, 4170, 4210, 4448, 4800, 5052, 5560, 6315, 6672, 6736, 6950, 8340, 8420, 8896, 10104, 10425, 10525, 11120, 12630, 13344, 13472, 13900, 16680, 16840, 20208, 20850, 21050, 22240, 25260, 26688, 26944, 27800, 31575, 33360, 33680, 40416, 41700, 42100, 44480, 50520, 55600, 58519, 63150, 66720, 67360, 80832, 83400, 84200, 101040, 111200, 117038, 126300, 133440, 134720, 166800, 168400, 175557, 202080, 222400, 234076, 252600, 292595, 333600, 336800, 351114, 404160, 468152, 505200, 585190, 667200, 673600, 702228, 877785, 936304, 1010400, 1170380, 1404456, 1462975, 1755570, 1872608, 2020800, 2340760, 2808912, 2925950, 3511140, 3745216, 4388925, 4681520, 5617824, 5851900, 7022280, 8777850, 9363040, 11235648, 11703800, 14044560, 17555700, 18726080, 23407600, 28089120, 35111400, 46815200, 56178240, 70222800, 93630400, 140445600, 280891200]

約数ペア:

[(1, 280891200), (2, 140445600), (3, 93630400), (4, 70222800), (5, 56178240), (6, 46815200), (8, 35111400), (10, 28089120), (12, 23407600), (15, 18726080), (16, 17555700), (20, 14044560), (24, 11703800), (25, 11235648), (30, 9363040), (32, 8777850), (40, 7022280), (48, 5851900), (50, 5617824), (60, 4681520), (64, 4388925), (75, 3745216), (80, 3511140), (96, 2925950), (100, 2808912), (120, 2340760), (139, 2020800), (150, 1872608), (160, 1755570), (192, 1462975), (200, 1404456), (240, 1170380), (278, 1010400), (300, 936304), (320, 877785), (400, 702228), (417, 673600), (421, 667200), (480, 585190), (556, 505200), (600, 468152), (695, 404160), (800, 351114), (834, 336800), (842, 333600), (960, 292595), (1112, 252600), (1200, 234076), (1263, 222400), (1390, 202080), (1600, 175557), (1668, 168400), (1684, 166800), (2085, 134720), (2105, 133440), (2224, 126300), (2400, 117038), (2526, 111200), (2780, 101040), (3336, 84200), (3368, 83400), (3475, 80832), (4170, 67360), (4210, 66720), (4448, 63150), (4800, 58519), (5052, 55600), (5560, 50520), (6315, 44480), (6672, 42100), (6736, 41700), (6950, 40416), (8340, 33680), (8420, 33360), (8896, 31575), (10104, 27800), (10425, 26944), (10525, 26688), (11120, 25260), (12630, 22240), (13344, 21050), (13472, 20850), (13900, 20208), (16680, 16840)]