123724560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{515519}}^1$

素因数の和:515535

約数の個数: 40

約数和(自身を含む): 383546880

約数和(自身を除く): 259822320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 515519, 1031038, 1546557, 2062076, 2577595, 3093114, 4124152, 5155190, 6186228, 7732785, 8248304, 10310380, 12372456, 15465570, 20620760, 24744912, 30931140, 41241520, 61862280, 123724560]

約数ペア:

[(1, 123724560), (2, 61862280), (3, 41241520), (4, 30931140), (5, 24744912), (6, 20620760), (8, 15465570), (10, 12372456), (12, 10310380), (15, 8248304), (16, 7732785), (20, 6186228), (24, 5155190), (30, 4124152), (40, 3093114), (48, 2577595), (60, 2062076), (80, 1546557), (120, 1031038), (240, 515519)]