80495040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:650

約数の個数: 112

約数和(自身を含む): 257495040

約数和(自身を除く): 177000000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 191, 192, 240, 320, 382, 439, 480, 573, 764, 878, 955, 960, 1146, 1317, 1528, 1756, 1910, 2195, 2292, 2634, 2865, 3056, 3512, 3820, 4390, 4584, 5268, 5730, 6112, 6585, 7024, 7640, 8780, 9168, 10536, 11460, 12224, 13170, 14048, 15280, 17560, 18336, 21072, 22920, 26340, 28096, 30560, 35120, 36672, 42144, 45840, 52680, 61120, 70240, 83849, 84288, 91680, 105360, 140480, 167698, 183360, 210720, 251547, 335396, 419245, 421440, 503094, 670792, 838490, 1006188, 1257735, 1341584, 1676980, 2012376, 2515470, 2683168, 3353960, 4024752, 5030940, 5366336, 6707920, 8049504, 10061880, 13415840, 16099008, 20123760, 26831680, 40247520, 80495040]

約数ペア:

[(1, 80495040), (2, 40247520), (3, 26831680), (4, 20123760), (5, 16099008), (6, 13415840), (8, 10061880), (10, 8049504), (12, 6707920), (15, 5366336), (16, 5030940), (20, 4024752), (24, 3353960), (30, 2683168), (32, 2515470), (40, 2012376), (48, 1676980), (60, 1341584), (64, 1257735), (80, 1006188), (96, 838490), (120, 670792), (160, 503094), (191, 421440), (192, 419245), (240, 335396), (320, 251547), (382, 210720), (439, 183360), (480, 167698), (573, 140480), (764, 105360), (878, 91680), (955, 84288), (960, 83849), (1146, 70240), (1317, 61120), (1528, 52680), (1756, 45840), (1910, 42144), (2195, 36672), (2292, 35120), (2634, 30560), (2865, 28096), (3056, 26340), (3512, 22920), (3820, 21072), (4390, 18336), (4584, 17560), (5268, 15280), (5730, 14048), (6112, 13170), (6585, 12224), (7024, 11460), (7640, 10536), (8780, 9168)]