18689520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1811}}^1$

素因数の和:1870

約数の個数: 80

約数和(自身を含む): 59317632

約数和(自身を除く): 40628112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 1811, 2064, 2580, 3440, 3622, 5160, 5433, 7244, 9055, 10320, 10866, 14488, 18110, 21732, 27165, 28976, 36220, 43464, 54330, 72440, 77873, 86928, 108660, 144880, 155746, 217320, 233619, 311492, 389365, 434640, 467238, 622984, 778730, 934476, 1168095, 1245968, 1557460, 1868952, 2336190, 3114920, 3737904, 4672380, 6229840, 9344760, 18689520]

約数ペア:

[(1, 18689520), (2, 9344760), (3, 6229840), (4, 4672380), (5, 3737904), (6, 3114920), (8, 2336190), (10, 1868952), (12, 1557460), (15, 1245968), (16, 1168095), (20, 934476), (24, 778730), (30, 622984), (40, 467238), (43, 434640), (48, 389365), (60, 311492), (80, 233619), (86, 217320), (120, 155746), (129, 144880), (172, 108660), (215, 86928), (240, 77873), (258, 72440), (344, 54330), (430, 43464), (516, 36220), (645, 28976), (688, 27165), (860, 21732), (1032, 18110), (1290, 14488), (1720, 10866), (1811, 10320), (2064, 9055), (2580, 7244), (3440, 5433), (3622, 5160)]