681199440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{7489}}^1$

素因数の和:7884

約数の個数: 80

約数和(自身を含む): 2117572800

約数和(自身を除く): 1436373360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 379, 758, 1137, 1516, 1895, 2274, 3032, 3790, 4548, 5685, 6064, 7489, 7580, 9096, 11370, 14978, 15160, 18192, 22467, 22740, 29956, 30320, 37445, 44934, 45480, 59912, 74890, 89868, 90960, 112335, 119824, 149780, 179736, 224670, 299560, 359472, 449340, 599120, 898680, 1797360, 2838331, 5676662, 8514993, 11353324, 14191655, 17029986, 22706648, 28383310, 34059972, 42574965, 45413296, 56766620, 68119944, 85149930, 113533240, 136239888, 170299860, 227066480, 340599720, 681199440]

約数ペア:

[(1, 681199440), (2, 340599720), (3, 227066480), (4, 170299860), (5, 136239888), (6, 113533240), (8, 85149930), (10, 68119944), (12, 56766620), (15, 45413296), (16, 42574965), (20, 34059972), (24, 28383310), (30, 22706648), (40, 17029986), (48, 14191655), (60, 11353324), (80, 8514993), (120, 5676662), (240, 2838331), (379, 1797360), (758, 898680), (1137, 599120), (1516, 449340), (1895, 359472), (2274, 299560), (3032, 224670), (3790, 179736), (4548, 149780), (5685, 119824), (6064, 112335), (7489, 90960), (7580, 89868), (9096, 74890), (11370, 59912), (14978, 45480), (15160, 44934), (18192, 37445), (22467, 30320), (22740, 29956)]