64662320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2239}}^1$

素因数の和:2290

約数の個数: 60

約数和(自身を含む): 158739840

約数和(自身を除く): 94077520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2239, 2888, 3610, 4478, 5776, 7220, 8956, 11195, 14440, 17912, 22390, 28880, 35824, 42541, 44780, 85082, 89560, 170164, 179120, 212705, 340328, 425410, 680656, 808279, 850820, 1616558, 1701640, 3233116, 3403280, 4041395, 6466232, 8082790, 12932464, 16165580, 32331160, 64662320]

約数ペア:

[(1, 64662320), (2, 32331160), (4, 16165580), (5, 12932464), (8, 8082790), (10, 6466232), (16, 4041395), (19, 3403280), (20, 3233116), (38, 1701640), (40, 1616558), (76, 850820), (80, 808279), (95, 680656), (152, 425410), (190, 340328), (304, 212705), (361, 179120), (380, 170164), (722, 89560), (760, 85082), (1444, 44780), (1520, 42541), (1805, 35824), (2239, 28880), (2888, 22390), (3610, 17912), (4478, 14440), (5776, 11195), (7220, 8956)]