78077090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 188697600

約数和(自身を除く): 110620510

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 49, 65, 70, 85, 91, 98, 103, 119, 130, 170, 182, 206, 221, 238, 245, 343, 442, 455, 490, 515, 595, 637, 686, 721, 833, 910, 1030, 1105, 1190, 1274, 1339, 1442, 1547, 1666, 1715, 1751, 2210, 2678, 3094, 3185, 3430, 3502, 3605, 4165, 4459, 5047, 5831, 6370, 6695, 7210, 7735, 8330, 8755, 8918, 9373, 10094, 10829, 11662, 12257, 13390, 15470, 17510, 18746, 21658, 22295, 22763, 24514, 25235, 29155, 35329, 44590, 45526, 46865, 50470, 54145, 58310, 61285, 65611, 70658, 75803, 85799, 93730, 108290, 113815, 122570, 131222, 151606, 159341, 171598, 176645, 227630, 318682, 328055, 353290, 379015, 428995, 459277, 600593, 656110, 758030, 796705, 857990, 918554, 1115387, 1201186, 1593410, 2230774, 2296385, 3002965, 4592770, 5576935, 6005930, 7807709, 11153870, 15615418, 39038545, 78077090]

約数ペア:

[(1, 78077090), (2, 39038545), (5, 15615418), (7, 11153870), (10, 7807709), (13, 6005930), (14, 5576935), (17, 4592770), (26, 3002965), (34, 2296385), (35, 2230774), (49, 1593410), (65, 1201186), (70, 1115387), (85, 918554), (91, 857990), (98, 796705), (103, 758030), (119, 656110), (130, 600593), (170, 459277), (182, 428995), (206, 379015), (221, 353290), (238, 328055), (245, 318682), (343, 227630), (442, 176645), (455, 171598), (490, 159341), (515, 151606), (595, 131222), (637, 122570), (686, 113815), (721, 108290), (833, 93730), (910, 85799), (1030, 75803), (1105, 70658), (1190, 65611), (1274, 61285), (1339, 58310), (1442, 54145), (1547, 50470), (1666, 46865), (1715, 45526), (1751, 44590), (2210, 35329), (2678, 29155), (3094, 25235), (3185, 24514), (3430, 22763), (3502, 22295), (3605, 21658), (4165, 18746), (4459, 17510), (5047, 15470), (5831, 13390), (6370, 12257), (6695, 11662), (7210, 10829), (7735, 10094), (8330, 9373), (8755, 8918)]