257832120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3373}}^1$

素因数の和:3414

約数の個数: 192

約数和(自身を含む): 969282720

約数和(自身を除く): 711450600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 520, 546, 588, 637, 728, 735, 780, 840, 910, 980, 1092, 1176, 1274, 1365, 1470, 1560, 1820, 1911, 1960, 2184, 2548, 2730, 2940, 3185, 3373, 3640, 3822, 5096, 5460, 5880, 6370, 6746, 7644, 9555, 10119, 10920, 12740, 13492, 15288, 16865, 19110, 20238, 23611, 25480, 26984, 33730, 38220, 40476, 43849, 47222, 50595, 67460, 70833, 76440, 80952, 87698, 94444, 101190, 118055, 131547, 134920, 141666, 165277, 175396, 188888, 202380, 219245, 236110, 263094, 283332, 306943, 330554, 350792, 354165, 404760, 438490, 472220, 495831, 526188, 566664, 613886, 657735, 661108, 708330, 826385, 876980, 920829, 944440, 991662, 1052376, 1227772, 1315470, 1322216, 1416660, 1534715, 1652770, 1753960, 1841658, 1983324, 2148601, 2455544, 2479155, 2630940, 2833320, 3069430, 3305540, 3683316, 3966648, 4297202, 4604145, 4958310, 5261880, 6138860, 6445803, 6611080, 7366632, 8594404, 9208290, 9916620, 10743005, 12277720, 12891606, 17188808, 18416580, 19833240, 21486010, 25783212, 32229015, 36833160, 42972020, 51566424, 64458030, 85944040, 128916060, 257832120]

約数ペア:

[(1, 257832120), (2, 128916060), (3, 85944040), (4, 64458030), (5, 51566424), (6, 42972020), (7, 36833160), (8, 32229015), (10, 25783212), (12, 21486010), (13, 19833240), (14, 18416580), (15, 17188808), (20, 12891606), (21, 12277720), (24, 10743005), (26, 9916620), (28, 9208290), (30, 8594404), (35, 7366632), (39, 6611080), (40, 6445803), (42, 6138860), (49, 5261880), (52, 4958310), (56, 4604145), (60, 4297202), (65, 3966648), (70, 3683316), (78, 3305540), (84, 3069430), (91, 2833320), (98, 2630940), (104, 2479155), (105, 2455544), (120, 2148601), (130, 1983324), (140, 1841658), (147, 1753960), (156, 1652770), (168, 1534715), (182, 1416660), (195, 1322216), (196, 1315470), (210, 1227772), (245, 1052376), (260, 991662), (273, 944440), (280, 920829), (294, 876980), (312, 826385), (364, 708330), (390, 661108), (392, 657735), (420, 613886), (455, 566664), (490, 526188), (520, 495831), (546, 472220), (588, 438490), (637, 404760), (728, 354165), (735, 350792), (780, 330554), (840, 306943), (910, 283332), (980, 263094), (1092, 236110), (1176, 219245), (1274, 202380), (1365, 188888), (1470, 175396), (1560, 165277), (1820, 141666), (1911, 134920), (1960, 131547), (2184, 118055), (2548, 101190), (2730, 94444), (2940, 87698), (3185, 80952), (3373, 76440), (3640, 70833), (3822, 67460), (5096, 50595), (5460, 47222), (5880, 43849), (6370, 40476), (6746, 38220), (7644, 33730), (9555, 26984), (10119, 25480), (10920, 23611), (12740, 20238), (13492, 19110), (15288, 16865)]