673196080

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 1589362560

約数和(自身を除く): 916166480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 239, 257, 274, 478, 514, 548, 685, 956, 1028, 1096, 1195, 1285, 1370, 1912, 2056, 2192, 2390, 2570, 2740, 3824, 4112, 4780, 5140, 5480, 9560, 10280, 10960, 19120, 20560, 32743, 35209, 61423, 65486, 70418, 122846, 130972, 140836, 163715, 176045, 245692, 261944, 281672, 307115, 327430, 352090, 491384, 523888, 563344, 614230, 654860, 704180, 982768, 1228460, 1309720, 1408360, 2456920, 2619440, 2816720, 4913840, 8414951, 16829902, 33659804, 42074755, 67319608, 84149510, 134639216, 168299020, 336598040, 673196080]

約数ペア:

[(1, 673196080), (2, 336598040), (4, 168299020), (5, 134639216), (8, 84149510), (10, 67319608), (16, 42074755), (20, 33659804), (40, 16829902), (80, 8414951), (137, 4913840), (239, 2816720), (257, 2619440), (274, 2456920), (478, 1408360), (514, 1309720), (548, 1228460), (685, 982768), (956, 704180), (1028, 654860), (1096, 614230), (1195, 563344), (1285, 523888), (1370, 491384), (1912, 352090), (2056, 327430), (2192, 307115), (2390, 281672), (2570, 261944), (2740, 245692), (3824, 176045), (4112, 163715), (4780, 140836), (5140, 130972), (5480, 122846), (9560, 70418), (10280, 65486), (10960, 61423), (19120, 35209), (20560, 32743)]