128508747255

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1240013}}^1$

素因数の和:1240085

約数の個数: 72

約数和(自身を含む): 264628907712

約数和(自身を除く): 136120160457

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 49, 63, 105, 141, 147, 235, 245, 315, 329, 423, 441, 705, 735, 987, 1645, 2115, 2205, 2303, 2961, 4935, 6909, 11515, 14805, 20727, 34545, 103635, 1240013, 3720039, 6200065, 8680091, 11160117, 18600195, 26040273, 43400455, 55800585, 58280611, 60760637, 78120819, 130201365, 174841833, 182281911, 291403055, 303803185, 390604095, 407964277, 524525499, 546845733, 874209165, 911409555, 1223892831, 2039821385, 2622627495, 2734228665, 2855749939, 3671678493, 6119464155, 8567249817, 14278749695, 18358392465, 25701749451, 42836249085, 128508747255]

約数ペア:

[(1, 128508747255), (3, 42836249085), (5, 25701749451), (7, 18358392465), (9, 14278749695), (15, 8567249817), (21, 6119464155), (35, 3671678493), (45, 2855749939), (47, 2734228665), (49, 2622627495), (63, 2039821385), (105, 1223892831), (141, 911409555), (147, 874209165), (235, 546845733), (245, 524525499), (315, 407964277), (329, 390604095), (423, 303803185), (441, 291403055), (705, 182281911), (735, 174841833), (987, 130201365), (1645, 78120819), (2115, 60760637), (2205, 58280611), (2303, 55800585), (2961, 43400455), (4935, 26040273), (6909, 18600195), (11515, 11160117), (14805, 8680091), (20727, 6200065), (34545, 3720039), (103635, 1240013)]