139390720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 390878208

約数和(自身を除く): 251487488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 188, 224, 235, 256, 280, 320, 329, 331, 376, 448, 470, 560, 640, 658, 662, 752, 896, 940, 1120, 1280, 1316, 1324, 1504, 1645, 1655, 1792, 1880, 2240, 2317, 2632, 2648, 3008, 3290, 3310, 3760, 4480, 4634, 5264, 5296, 6016, 6580, 6620, 7520, 8960, 9268, 10528, 10592, 11585, 12032, 13160, 13240, 15040, 15557, 18536, 21056, 21184, 23170, 26320, 26480, 30080, 31114, 37072, 42112, 42368, 46340, 52640, 52960, 60160, 62228, 74144, 77785, 84224, 84736, 92680, 105280, 105920, 108899, 124456, 148288, 155570, 185360, 210560, 211840, 217798, 248912, 296576, 311140, 370720, 421120, 423680, 435596, 497824, 544495, 593152, 622280, 741440, 871192, 995648, 1088990, 1244560, 1482880, 1742384, 1991296, 2177980, 2489120, 2965760, 3484768, 3982592, 4355960, 4978240, 6969536, 8711920, 9956480, 13939072, 17423840, 19912960, 27878144, 34847680, 69695360, 139390720]

約数ペア:

[(1, 139390720), (2, 69695360), (4, 34847680), (5, 27878144), (7, 19912960), (8, 17423840), (10, 13939072), (14, 9956480), (16, 8711920), (20, 6969536), (28, 4978240), (32, 4355960), (35, 3982592), (40, 3484768), (47, 2965760), (56, 2489120), (64, 2177980), (70, 1991296), (80, 1742384), (94, 1482880), (112, 1244560), (128, 1088990), (140, 995648), (160, 871192), (188, 741440), (224, 622280), (235, 593152), (256, 544495), (280, 497824), (320, 435596), (329, 423680), (331, 421120), (376, 370720), (448, 311140), (470, 296576), (560, 248912), (640, 217798), (658, 211840), (662, 210560), (752, 185360), (896, 155570), (940, 148288), (1120, 124456), (1280, 108899), (1316, 105920), (1324, 105280), (1504, 92680), (1645, 84736), (1655, 84224), (1792, 77785), (1880, 74144), (2240, 62228), (2317, 60160), (2632, 52960), (2648, 52640), (3008, 46340), (3290, 42368), (3310, 42112), (3760, 37072), (4480, 31114), (4634, 30080), (5264, 26480), (5296, 26320), (6016, 23170), (6580, 21184), (6620, 21056), (7520, 18536), (8960, 15557), (9268, 15040), (10528, 13240), (10592, 13160), (11585, 12032)]