81543480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15803}}^1$

素因数の和:15860

約数の個数: 64

約数和(自身を含む): 250335360

約数和(自身を除く): 168791880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 15803, 31606, 47409, 63212, 79015, 94818, 126424, 158030, 189636, 237045, 316060, 379272, 474090, 632120, 679529, 948180, 1359058, 1896360, 2038587, 2718116, 3397645, 4077174, 5436232, 6795290, 8154348, 10192935, 13590580, 16308696, 20385870, 27181160, 40771740, 81543480]

約数ペア:

[(1, 81543480), (2, 40771740), (3, 27181160), (4, 20385870), (5, 16308696), (6, 13590580), (8, 10192935), (10, 8154348), (12, 6795290), (15, 5436232), (20, 4077174), (24, 3397645), (30, 2718116), (40, 2038587), (43, 1896360), (60, 1359058), (86, 948180), (120, 679529), (129, 632120), (172, 474090), (215, 379272), (258, 316060), (344, 237045), (430, 189636), (516, 158030), (645, 126424), (860, 94818), (1032, 79015), (1290, 63212), (1720, 47409), (2580, 31606), (5160, 15803)]