9981080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 24710400

約数和(自身を除く): 14729320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 571, 760, 874, 920, 1142, 1748, 2185, 2284, 2855, 3496, 4370, 4568, 5710, 8740, 10849, 11420, 13133, 17480, 21698, 22840, 26266, 43396, 52532, 54245, 65665, 86792, 105064, 108490, 131330, 216980, 249527, 262660, 433960, 499054, 525320, 998108, 1247635, 1996216, 2495270, 4990540, 9981080]

約数ペア:

[(1, 9981080), (2, 4990540), (4, 2495270), (5, 1996216), (8, 1247635), (10, 998108), (19, 525320), (20, 499054), (23, 433960), (38, 262660), (40, 249527), (46, 216980), (76, 131330), (92, 108490), (95, 105064), (115, 86792), (152, 65665), (184, 54245), (190, 52532), (230, 43396), (380, 26266), (437, 22840), (460, 21698), (571, 17480), (760, 13133), (874, 11420), (920, 10849), (1142, 8740), (1748, 5710), (2185, 4568), (2284, 4370), (2855, 3496)]