81711840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 298722816

約数和(自身を除く): 217010976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 83, 84, 96, 105, 112, 120, 140, 160, 166, 168, 210, 224, 240, 249, 280, 293, 332, 336, 415, 420, 480, 498, 560, 581, 586, 664, 672, 830, 840, 879, 996, 1120, 1162, 1172, 1245, 1328, 1465, 1660, 1680, 1743, 1758, 1992, 2051, 2324, 2344, 2490, 2656, 2905, 2930, 3320, 3360, 3486, 3516, 3984, 4102, 4395, 4648, 4688, 4980, 5810, 5860, 6153, 6640, 6972, 7032, 7968, 8204, 8715, 8790, 9296, 9376, 9960, 10255, 11620, 11720, 12306, 13280, 13944, 14064, 16408, 17430, 17580, 18592, 19920, 20510, 23240, 23440, 24319, 24612, 27888, 28128, 30765, 32816, 34860, 35160, 39840, 41020, 46480, 46880, 48638, 49224, 55776, 61530, 65632, 69720, 70320, 72957, 82040, 92960, 97276, 98448, 121595, 123060, 139440, 140640, 145914, 164080, 170233, 194552, 196896, 243190, 246120, 278880, 291828, 328160, 340466, 364785, 389104, 486380, 492240, 510699, 583656, 680932, 729570, 778208, 851165, 972760, 984480, 1021398, 1167312, 1361864, 1459140, 1702330, 1945520, 2042796, 2334624, 2553495, 2723728, 2918280, 3404660, 3891040, 4085592, 5106990, 5447456, 5836560, 6809320, 8171184, 10213980, 11673120, 13618640, 16342368, 20427960, 27237280, 40855920, 81711840]

約数ペア:

[(1, 81711840), (2, 40855920), (3, 27237280), (4, 20427960), (5, 16342368), (6, 13618640), (7, 11673120), (8, 10213980), (10, 8171184), (12, 6809320), (14, 5836560), (15, 5447456), (16, 5106990), (20, 4085592), (21, 3891040), (24, 3404660), (28, 2918280), (30, 2723728), (32, 2553495), (35, 2334624), (40, 2042796), (42, 1945520), (48, 1702330), (56, 1459140), (60, 1361864), (70, 1167312), (80, 1021398), (83, 984480), (84, 972760), (96, 851165), (105, 778208), (112, 729570), (120, 680932), (140, 583656), (160, 510699), (166, 492240), (168, 486380), (210, 389104), (224, 364785), (240, 340466), (249, 328160), (280, 291828), (293, 278880), (332, 246120), (336, 243190), (415, 196896), (420, 194552), (480, 170233), (498, 164080), (560, 145914), (581, 140640), (586, 139440), (664, 123060), (672, 121595), (830, 98448), (840, 97276), (879, 92960), (996, 82040), (1120, 72957), (1162, 70320), (1172, 69720), (1245, 65632), (1328, 61530), (1465, 55776), (1660, 49224), (1680, 48638), (1743, 46880), (1758, 46480), (1992, 41020), (2051, 39840), (2324, 35160), (2344, 34860), (2490, 32816), (2656, 30765), (2905, 28128), (2930, 27888), (3320, 24612), (3360, 24319), (3486, 23440), (3516, 23240), (3984, 20510), (4102, 19920), (4395, 18592), (4648, 17580), (4688, 17430), (4980, 16408), (5810, 14064), (5860, 13944), (6153, 13280), (6640, 12306), (6972, 11720), (7032, 11620), (7968, 10255), (8204, 9960), (8715, 9376), (8790, 9296)]