20178196320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{1567}}^1$

素因数の和:1917

約数の個数: 192

約数和(自身を含む): 64391362560

約数和(自身を除く): 44213166240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 160, 193, 240, 278, 386, 417, 480, 556, 579, 695, 772, 834, 965, 1112, 1158, 1390, 1544, 1567, 1668, 1930, 2085, 2224, 2316, 2780, 2895, 3088, 3134, 3336, 3860, 4170, 4448, 4632, 4701, 5560, 5790, 6176, 6268, 6672, 7720, 7835, 8340, 9264, 9402, 11120, 11580, 12536, 13344, 15440, 15670, 16680, 18528, 18804, 22240, 23160, 23505, 25072, 26827, 30880, 31340, 33360, 37608, 46320, 47010, 50144, 53654, 62680, 66720, 75216, 80481, 92640, 94020, 107308, 125360, 134135, 150432, 160962, 188040, 214616, 217813, 250720, 268270, 302431, 321924, 376080, 402405, 429232, 435626, 536540, 604862, 643848, 653439, 752160, 804810, 858464, 871252, 907293, 1073080, 1089065, 1209724, 1287696, 1306878, 1512155, 1609620, 1742504, 1814586, 2146160, 2178130, 2419448, 2575392, 2613756, 3024310, 3219240, 3267195, 3485008, 3629172, 4292320, 4356260, 4536465, 4838896, 5227512, 6048620, 6438480, 6534390, 6970016, 7258344, 8712520, 9072930, 9677792, 10455024, 12097240, 12876960, 13068780, 14516688, 17425040, 18145860, 20910048, 24194480, 26137560, 29033376, 34850080, 36291720, 42037909, 48388960, 52275120, 72583440, 84075818, 104550240, 126113727, 145166880, 168151636, 210189545, 252227454, 336303272, 420379090, 504454908, 630568635, 672606544, 840758180, 1008909816, 1261137270, 1345213088, 1681516360, 2017819632, 2522274540, 3363032720, 4035639264, 5044549080, 6726065440, 10089098160, 20178196320]

約数ペア:

[(1, 20178196320), (2, 10089098160), (3, 6726065440), (4, 5044549080), (5, 4035639264), (6, 3363032720), (8, 2522274540), (10, 2017819632), (12, 1681516360), (15, 1345213088), (16, 1261137270), (20, 1008909816), (24, 840758180), (30, 672606544), (32, 630568635), (40, 504454908), (48, 420379090), (60, 336303272), (80, 252227454), (96, 210189545), (120, 168151636), (139, 145166880), (160, 126113727), (193, 104550240), (240, 84075818), (278, 72583440), (386, 52275120), (417, 48388960), (480, 42037909), (556, 36291720), (579, 34850080), (695, 29033376), (772, 26137560), (834, 24194480), (965, 20910048), (1112, 18145860), (1158, 17425040), (1390, 14516688), (1544, 13068780), (1567, 12876960), (1668, 12097240), (1930, 10455024), (2085, 9677792), (2224, 9072930), (2316, 8712520), (2780, 7258344), (2895, 6970016), (3088, 6534390), (3134, 6438480), (3336, 6048620), (3860, 5227512), (4170, 4838896), (4448, 4536465), (4632, 4356260), (4701, 4292320), (5560, 3629172), (5790, 3485008), (6176, 3267195), (6268, 3219240), (6672, 3024310), (7720, 2613756), (7835, 2575392), (8340, 2419448), (9264, 2178130), (9402, 2146160), (11120, 1814586), (11580, 1742504), (12536, 1609620), (13344, 1512155), (15440, 1306878), (15670, 1287696), (16680, 1209724), (18528, 1089065), (18804, 1073080), (22240, 907293), (23160, 871252), (23505, 858464), (25072, 804810), (26827, 752160), (30880, 653439), (31340, 643848), (33360, 604862), (37608, 536540), (46320, 435626), (47010, 429232), (50144, 402405), (53654, 376080), (62680, 321924), (66720, 302431), (75216, 268270), (80481, 250720), (92640, 217813), (94020, 214616), (107308, 188040), (125360, 160962), (134135, 150432)]