17988240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 56174976

約数和(自身を除く): 38186736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 241, 311, 482, 622, 723, 933, 964, 1205, 1244, 1446, 1555, 1866, 1928, 2410, 2488, 2892, 3110, 3615, 3732, 3856, 4665, 4820, 4976, 5784, 6220, 7230, 7464, 9330, 9640, 11568, 12440, 14460, 14928, 18660, 19280, 24880, 28920, 37320, 57840, 74640, 74951, 149902, 224853, 299804, 374755, 449706, 599608, 749510, 899412, 1124265, 1199216, 1499020, 1798824, 2248530, 2998040, 3597648, 4497060, 5996080, 8994120, 17988240]

約数ペア:

[(1, 17988240), (2, 8994120), (3, 5996080), (4, 4497060), (5, 3597648), (6, 2998040), (8, 2248530), (10, 1798824), (12, 1499020), (15, 1199216), (16, 1124265), (20, 899412), (24, 749510), (30, 599608), (40, 449706), (48, 374755), (60, 299804), (80, 224853), (120, 149902), (240, 74951), (241, 74640), (311, 57840), (482, 37320), (622, 28920), (723, 24880), (933, 19280), (964, 18660), (1205, 14928), (1244, 14460), (1446, 12440), (1555, 11568), (1866, 9640), (1928, 9330), (2410, 7464), (2488, 7230), (2892, 6220), (3110, 5784), (3615, 4976), (3732, 4820), (3856, 4665)]