68747840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:724

約数の個数: 112

約数和(自身を含む): 191365632

約数和(自身を除く): 122617792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 140, 160, 188, 224, 235, 280, 320, 329, 376, 448, 470, 560, 653, 658, 752, 940, 1120, 1306, 1316, 1504, 1645, 1880, 2240, 2612, 2632, 3008, 3265, 3290, 3760, 4571, 5224, 5264, 6530, 6580, 7520, 9142, 10448, 10528, 13060, 13160, 15040, 18284, 20896, 21056, 22855, 26120, 26320, 30691, 36568, 41792, 45710, 52240, 52640, 61382, 73136, 91420, 104480, 105280, 122764, 146272, 153455, 182840, 208960, 214837, 245528, 292544, 306910, 365680, 429674, 491056, 613820, 731360, 859348, 982112, 1074185, 1227640, 1462720, 1718696, 1964224, 2148370, 2455280, 3437392, 4296740, 4910560, 6874784, 8593480, 9821120, 13749568, 17186960, 34373920, 68747840]

約数ペア:

[(1, 68747840), (2, 34373920), (4, 17186960), (5, 13749568), (7, 9821120), (8, 8593480), (10, 6874784), (14, 4910560), (16, 4296740), (20, 3437392), (28, 2455280), (32, 2148370), (35, 1964224), (40, 1718696), (47, 1462720), (56, 1227640), (64, 1074185), (70, 982112), (80, 859348), (94, 731360), (112, 613820), (140, 491056), (160, 429674), (188, 365680), (224, 306910), (235, 292544), (280, 245528), (320, 214837), (329, 208960), (376, 182840), (448, 153455), (470, 146272), (560, 122764), (653, 105280), (658, 104480), (752, 91420), (940, 73136), (1120, 61382), (1306, 52640), (1316, 52240), (1504, 45710), (1645, 41792), (1880, 36568), (2240, 30691), (2612, 26320), (2632, 26120), (3008, 22855), (3265, 21056), (3290, 20896), (3760, 18284), (4571, 15040), (5224, 13160), (5264, 13060), (6530, 10528), (6580, 10448), (7520, 9142)]