15645720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{541}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 47219040

約数和(自身を除く): 31573320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 541, 723, 964, 1082, 1205, 1446, 1623, 1928, 2164, 2410, 2705, 2892, 3246, 3615, 4328, 4820, 5410, 5784, 6492, 7230, 8115, 9640, 10820, 12984, 14460, 16230, 21640, 28920, 32460, 64920, 130381, 260762, 391143, 521524, 651905, 782286, 1043048, 1303810, 1564572, 1955715, 2607620, 3129144, 3911430, 5215240, 7822860, 15645720]

約数ペア:

[(1, 15645720), (2, 7822860), (3, 5215240), (4, 3911430), (5, 3129144), (6, 2607620), (8, 1955715), (10, 1564572), (12, 1303810), (15, 1043048), (20, 782286), (24, 651905), (30, 521524), (40, 391143), (60, 260762), (120, 130381), (241, 64920), (482, 32460), (541, 28920), (723, 21640), (964, 16230), (1082, 14460), (1205, 12984), (1446, 10820), (1623, 9640), (1928, 8115), (2164, 7230), (2410, 6492), (2705, 5784), (2892, 5410), (3246, 4820), (3615, 4328)]