15640160

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 37195200

約数和(自身を除く): 21555040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 409, 478, 818, 956, 1195, 1636, 1912, 2045, 2390, 3272, 3824, 4090, 4780, 6544, 7648, 8180, 9560, 13088, 16360, 19120, 32720, 38240, 65440, 97751, 195502, 391004, 488755, 782008, 977510, 1564016, 1955020, 3128032, 3910040, 7820080, 15640160]

約数ペア:

[(1, 15640160), (2, 7820080), (4, 3910040), (5, 3128032), (8, 1955020), (10, 1564016), (16, 977510), (20, 782008), (32, 488755), (40, 391004), (80, 195502), (160, 97751), (239, 65440), (409, 38240), (478, 32720), (818, 19120), (956, 16360), (1195, 13088), (1636, 9560), (1912, 8180), (2045, 7648), (2390, 6544), (3272, 4780), (3824, 4090)]