15678008120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9115121}}^1$

素因数の和:9115175

約数の個数: 32

約数和(自身を含む): 36095883120

約数和(自身を除く): 20417875000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9115121, 18230242, 36460484, 45575605, 72920968, 91151210, 182302420, 364604840, 391950203, 783900406, 1567800812, 1959751015, 3135601624, 3919502030, 7839004060, 15678008120]

約数ペア:

[(1, 15678008120), (2, 7839004060), (4, 3919502030), (5, 3135601624), (8, 1959751015), (10, 1567800812), (20, 783900406), (40, 391950203), (43, 364604840), (86, 182302420), (172, 91151210), (215, 72920968), (344, 45575605), (430, 36460484), (860, 18230242), (1720, 9115121)]