15976720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 40890240

約数和(自身を除く): 24913520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 457, 460, 760, 874, 914, 920, 1520, 1748, 1828, 1840, 2185, 2285, 3496, 3656, 4370, 4570, 6992, 7312, 8683, 8740, 9140, 10511, 17366, 17480, 18280, 21022, 34732, 34960, 36560, 42044, 43415, 52555, 69464, 84088, 86830, 105110, 138928, 168176, 173660, 199709, 210220, 347320, 399418, 420440, 694640, 798836, 840880, 998545, 1597672, 1997090, 3195344, 3994180, 7988360, 15976720]

約数ペア:

[(1, 15976720), (2, 7988360), (4, 3994180), (5, 3195344), (8, 1997090), (10, 1597672), (16, 998545), (19, 840880), (20, 798836), (23, 694640), (38, 420440), (40, 399418), (46, 347320), (76, 210220), (80, 199709), (92, 173660), (95, 168176), (115, 138928), (152, 105110), (184, 86830), (190, 84088), (230, 69464), (304, 52555), (368, 43415), (380, 42044), (437, 36560), (457, 34960), (460, 34732), (760, 21022), (874, 18280), (914, 17480), (920, 17366), (1520, 10511), (1748, 9140), (1828, 8740), (1840, 8683), (2185, 7312), (2285, 6992), (3496, 4570), (3656, 4370)]