320042760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 998092800

約数和(自身を除く): 678050040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 227, 248, 310, 372, 379, 454, 465, 620, 681, 744, 758, 908, 930, 1135, 1137, 1240, 1362, 1516, 1816, 1860, 1895, 2270, 2274, 2724, 3032, 3405, 3720, 3790, 4540, 4548, 5448, 5685, 6810, 7037, 7580, 9080, 9096, 11370, 11749, 13620, 14074, 15160, 21111, 22740, 23498, 27240, 28148, 35185, 35247, 42222, 45480, 46996, 56296, 58745, 70370, 70494, 84444, 86033, 93992, 105555, 117490, 140740, 140988, 168888, 172066, 176235, 211110, 234980, 258099, 281480, 281976, 344132, 352470, 422220, 430165, 469960, 516198, 688264, 704940, 844440, 860330, 1032396, 1290495, 1409880, 1720660, 2064792, 2580990, 2667023, 3441320, 5161980, 5334046, 8001069, 10323960, 10668092, 13335115, 16002138, 21336184, 26670230, 32004276, 40005345, 53340460, 64008552, 80010690, 106680920, 160021380, 320042760]

約数ペア:

[(1, 320042760), (2, 160021380), (3, 106680920), (4, 80010690), (5, 64008552), (6, 53340460), (8, 40005345), (10, 32004276), (12, 26670230), (15, 21336184), (20, 16002138), (24, 13335115), (30, 10668092), (31, 10323960), (40, 8001069), (60, 5334046), (62, 5161980), (93, 3441320), (120, 2667023), (124, 2580990), (155, 2064792), (186, 1720660), (227, 1409880), (248, 1290495), (310, 1032396), (372, 860330), (379, 844440), (454, 704940), (465, 688264), (620, 516198), (681, 469960), (744, 430165), (758, 422220), (908, 352470), (930, 344132), (1135, 281976), (1137, 281480), (1240, 258099), (1362, 234980), (1516, 211110), (1816, 176235), (1860, 172066), (1895, 168888), (2270, 140988), (2274, 140740), (2724, 117490), (3032, 105555), (3405, 93992), (3720, 86033), (3790, 84444), (4540, 70494), (4548, 70370), (5448, 58745), (5685, 56296), (6810, 46996), (7037, 45480), (7580, 42222), (9080, 35247), (9096, 35185), (11370, 28148), (11749, 27240), (13620, 23498), (14074, 22740), (15160, 21111)]