870725360

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{443}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 2061296640

約数和(自身を除く): 1190571280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 311, 316, 395, 443, 622, 632, 790, 886, 1244, 1264, 1555, 1580, 1772, 2215, 2488, 3110, 3160, 3544, 4430, 4976, 6220, 6320, 7088, 8860, 12440, 17720, 24569, 24880, 34997, 35440, 49138, 69994, 98276, 122845, 137773, 139988, 174985, 196552, 245690, 275546, 279976, 349970, 393104, 491380, 551092, 559952, 688865, 699940, 982760, 1102184, 1377730, 1399880, 1965520, 2204368, 2755460, 2799760, 5510920, 10884067, 11021840, 21768134, 43536268, 54420335, 87072536, 108840670, 174145072, 217681340, 435362680, 870725360]

約数ペア:

[(1, 870725360), (2, 435362680), (4, 217681340), (5, 174145072), (8, 108840670), (10, 87072536), (16, 54420335), (20, 43536268), (40, 21768134), (79, 11021840), (80, 10884067), (158, 5510920), (311, 2799760), (316, 2755460), (395, 2204368), (443, 1965520), (622, 1399880), (632, 1377730), (790, 1102184), (886, 982760), (1244, 699940), (1264, 688865), (1555, 559952), (1580, 551092), (1772, 491380), (2215, 393104), (2488, 349970), (3110, 279976), (3160, 275546), (3544, 245690), (4430, 196552), (4976, 174985), (6220, 139988), (6320, 137773), (7088, 122845), (8860, 98276), (12440, 69994), (17720, 49138), (24569, 35440), (24880, 34997)]