1328480

素因数分解:

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

素因数の和:76

約数の個数: 72

約数和(自身を含む): 3456432

約数和(自身を除く): 2127952

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 361, 368, 380, 437, 460, 608, 722, 736, 760, 874, 920, 1444, 1520, 1748, 1805, 1840, 2185, 2888, 3040, 3496, 3610, 3680, 4370, 5776, 6992, 7220, 8303, 8740, 11552, 13984, 14440, 16606, 17480, 28880, 33212, 34960, 41515, 57760, 66424, 69920, 83030, 132848, 166060, 265696, 332120, 664240, 1328480]

約数ペア:

[(1, 1328480), (2, 664240), (4, 332120), (5, 265696), (8, 166060), (10, 132848), (16, 83030), (19, 69920), (20, 66424), (23, 57760), (32, 41515), (38, 34960), (40, 33212), (46, 28880), (76, 17480), (80, 16606), (92, 14440), (95, 13984), (115, 11552), (152, 8740), (160, 8303), (184, 7220), (190, 6992), (230, 5776), (304, 4370), (361, 3680), (368, 3610), (380, 3496), (437, 3040), (460, 2888), (608, 2185), (722, 1840), (736, 1805), (760, 1748), (874, 1520), (920, 1444)]