17727760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 44193600

約数和(自身を除く): 26465840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 107, 109, 152, 190, 214, 218, 304, 380, 428, 436, 535, 545, 760, 856, 872, 1070, 1090, 1520, 1712, 1744, 2033, 2071, 2140, 2180, 4066, 4142, 4280, 4360, 8132, 8284, 8560, 8720, 10165, 10355, 11663, 16264, 16568, 20330, 20710, 23326, 32528, 33136, 40660, 41420, 46652, 58315, 81320, 82840, 93304, 116630, 162640, 165680, 186608, 221597, 233260, 443194, 466520, 886388, 933040, 1107985, 1772776, 2215970, 3545552, 4431940, 8863880, 17727760]

約数ペア:

[(1, 17727760), (2, 8863880), (4, 4431940), (5, 3545552), (8, 2215970), (10, 1772776), (16, 1107985), (19, 933040), (20, 886388), (38, 466520), (40, 443194), (76, 233260), (80, 221597), (95, 186608), (107, 165680), (109, 162640), (152, 116630), (190, 93304), (214, 82840), (218, 81320), (304, 58315), (380, 46652), (428, 41420), (436, 40660), (535, 33136), (545, 32528), (760, 23326), (856, 20710), (872, 20330), (1070, 16568), (1090, 16264), (1520, 11663), (1712, 10355), (1744, 10165), (2033, 8720), (2071, 8560), (2140, 8284), (2180, 8132), (4066, 4360), (4142, 4280)]