18117960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21569}}^1$

素因数の和:21590

約数の個数: 64

約数和(自身を含む): 62121600

約数和(自身を除く): 44003640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21569, 43138, 64707, 86276, 107845, 129414, 150983, 172552, 215690, 258828, 301966, 323535, 431380, 452949, 517656, 603932, 647070, 754915, 862760, 905898, 1207864, 1294140, 1509830, 1811796, 2264745, 2588280, 3019660, 3623592, 4529490, 6039320, 9058980, 18117960]

約数ペア:

[(1, 18117960), (2, 9058980), (3, 6039320), (4, 4529490), (5, 3623592), (6, 3019660), (7, 2588280), (8, 2264745), (10, 1811796), (12, 1509830), (14, 1294140), (15, 1207864), (20, 905898), (21, 862760), (24, 754915), (28, 647070), (30, 603932), (35, 517656), (40, 452949), (42, 431380), (56, 323535), (60, 301966), (70, 258828), (84, 215690), (105, 172552), (120, 150983), (140, 129414), (168, 107845), (210, 86276), (280, 64707), (420, 43138), (840, 21569)]