28288560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{379}}^1$

素因数の和:706

約数の個数: 80

約数和(自身を含む): 88208640

約数和(自身を除く): 59920080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 311, 379, 622, 758, 933, 1137, 1244, 1516, 1555, 1866, 1895, 2274, 2488, 3032, 3110, 3732, 3790, 4548, 4665, 4976, 5685, 6064, 6220, 7464, 7580, 9096, 9330, 11370, 12440, 14928, 15160, 18192, 18660, 22740, 24880, 30320, 37320, 45480, 74640, 90960, 117869, 235738, 353607, 471476, 589345, 707214, 942952, 1178690, 1414428, 1768035, 1885904, 2357380, 2828856, 3536070, 4714760, 5657712, 7072140, 9429520, 14144280, 28288560]

約数ペア:

[(1, 28288560), (2, 14144280), (3, 9429520), (4, 7072140), (5, 5657712), (6, 4714760), (8, 3536070), (10, 2828856), (12, 2357380), (15, 1885904), (16, 1768035), (20, 1414428), (24, 1178690), (30, 942952), (40, 707214), (48, 589345), (60, 471476), (80, 353607), (120, 235738), (240, 117869), (311, 90960), (379, 74640), (622, 45480), (758, 37320), (933, 30320), (1137, 24880), (1244, 22740), (1516, 18660), (1555, 18192), (1866, 15160), (1895, 14928), (2274, 12440), (2488, 11370), (3032, 9330), (3110, 9096), (3732, 7580), (3790, 7464), (4548, 6220), (4665, 6064), (4976, 5685)]