18673320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2551}}^1$

素因数の和:2626

約数の個数: 64

約数和(自身を含む): 56960640

約数和(自身を除く): 38287320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2551, 3660, 5102, 7320, 7653, 10204, 12755, 15306, 20408, 25510, 30612, 38265, 51020, 61224, 76530, 102040, 153060, 155611, 306120, 311222, 466833, 622444, 778055, 933666, 1244888, 1556110, 1867332, 2334165, 3112220, 3734664, 4668330, 6224440, 9336660, 18673320]

約数ペア:

[(1, 18673320), (2, 9336660), (3, 6224440), (4, 4668330), (5, 3734664), (6, 3112220), (8, 2334165), (10, 1867332), (12, 1556110), (15, 1244888), (20, 933666), (24, 778055), (30, 622444), (40, 466833), (60, 311222), (61, 306120), (120, 155611), (122, 153060), (183, 102040), (244, 76530), (305, 61224), (366, 51020), (488, 38265), (610, 30612), (732, 25510), (915, 20408), (1220, 15306), (1464, 12755), (1830, 10204), (2440, 7653), (2551, 7320), (3660, 5102)]