680717640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{21569}}^1$

素因数の和:21846

約数の個数: 64

約数和(自身を含む): 2050012800

約数和(自身を除く): 1369295160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 1052, 1315, 1578, 2104, 2630, 3156, 3945, 5260, 6312, 7890, 10520, 15780, 21569, 31560, 43138, 64707, 86276, 107845, 129414, 172552, 215690, 258828, 323535, 431380, 517656, 647070, 862760, 1294140, 2588280, 5672647, 11345294, 17017941, 22690588, 28363235, 34035882, 45381176, 56726470, 68071764, 85089705, 113452940, 136143528, 170179410, 226905880, 340358820, 680717640]

約数ペア:

[(1, 680717640), (2, 340358820), (3, 226905880), (4, 170179410), (5, 136143528), (6, 113452940), (8, 85089705), (10, 68071764), (12, 56726470), (15, 45381176), (20, 34035882), (24, 28363235), (30, 22690588), (40, 17017941), (60, 11345294), (120, 5672647), (263, 2588280), (526, 1294140), (789, 862760), (1052, 647070), (1315, 517656), (1578, 431380), (2104, 323535), (2630, 258828), (3156, 215690), (3945, 172552), (5260, 129414), (6312, 107845), (7890, 86276), (10520, 64707), (15780, 43138), (21569, 31560)]