17960880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{10691}}^1$

素因数の和:10714

約数の個数: 80

約数和(自身を含む): 63638784

約数和(自身を除く): 45677904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 10691, 21382, 32073, 42764, 53455, 64146, 74837, 85528, 106910, 128292, 149674, 160365, 171056, 213820, 224511, 256584, 299348, 320730, 374185, 427640, 449022, 513168, 598696, 641460, 748370, 855280, 898044, 1122555, 1197392, 1282920, 1496740, 1796088, 2245110, 2565840, 2993480, 3592176, 4490220, 5986960, 8980440, 17960880]

約数ペア:

[(1, 17960880), (2, 8980440), (3, 5986960), (4, 4490220), (5, 3592176), (6, 2993480), (7, 2565840), (8, 2245110), (10, 1796088), (12, 1496740), (14, 1282920), (15, 1197392), (16, 1122555), (20, 898044), (21, 855280), (24, 748370), (28, 641460), (30, 598696), (35, 513168), (40, 449022), (42, 427640), (48, 374185), (56, 320730), (60, 299348), (70, 256584), (80, 224511), (84, 213820), (105, 171056), (112, 160365), (120, 149674), (140, 128292), (168, 106910), (210, 85528), (240, 74837), (280, 64146), (336, 53455), (420, 42764), (560, 32073), (840, 21382), (1680, 10691)]