208177320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{133447}}^1$

素因数の和:133474

約数の個数: 64

約数和(自身を含む): 672577920

約数和(自身を除く): 464400600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 133447, 266894, 400341, 533788, 667235, 800682, 1067576, 1334470, 1601364, 1734811, 2001705, 2668940, 3202728, 3469622, 4003410, 5204433, 5337880, 6939244, 8006820, 8674055, 10408866, 13878488, 16013640, 17348110, 20817732, 26022165, 34696220, 41635464, 52044330, 69392440, 104088660, 208177320]

約数ペア:

[(1, 208177320), (2, 104088660), (3, 69392440), (4, 52044330), (5, 41635464), (6, 34696220), (8, 26022165), (10, 20817732), (12, 17348110), (13, 16013640), (15, 13878488), (20, 10408866), (24, 8674055), (26, 8006820), (30, 6939244), (39, 5337880), (40, 5204433), (52, 4003410), (60, 3469622), (65, 3202728), (78, 2668940), (104, 2001705), (120, 1734811), (130, 1601364), (156, 1334470), (195, 1067576), (260, 800682), (312, 667235), (390, 533788), (520, 400341), (780, 266894), (1560, 133447)]