68641920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:743

約数の個数: 192

約数和(自身を含む): 251330040

約数和(自身を除く): 182688120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 612, 640, 680, 701, 720, 765, 816, 960, 1020, 1088, 1152, 1224, 1360, 1402, 1440, 1530, 1632, 1920, 2040, 2103, 2176, 2448, 2720, 2804, 2880, 3060, 3264, 3505, 4080, 4206, 4896, 5440, 5608, 5760, 6120, 6309, 6528, 7010, 8160, 8412, 9792, 10515, 10880, 11216, 11917, 12240, 12618, 14020, 16320, 16824, 19584, 21030, 22432, 23834, 24480, 25236, 28040, 31545, 32640, 33648, 35751, 42060, 44864, 47668, 48960, 50472, 56080, 59585, 63090, 67296, 71502, 84120, 89728, 95336, 97920, 100944, 107253, 112160, 119170, 126180, 134592, 143004, 168240, 178755, 190672, 201888, 214506, 224320, 238340, 252360, 269184, 286008, 336480, 357510, 381344, 403776, 429012, 448640, 476680, 504720, 536265, 572016, 672960, 715020, 762688, 807552, 858024, 953360, 1009440, 1072530, 1144032, 1345920, 1430040, 1525376, 1716048, 1906720, 2018880, 2145060, 2288064, 2860080, 3432096, 3813440, 4037760, 4290120, 4576128, 5720160, 6864192, 7626880, 8580240, 11440320, 13728384, 17160480, 22880640, 34320960, 68641920]

約数ペア:

[(1, 68641920), (2, 34320960), (3, 22880640), (4, 17160480), (5, 13728384), (6, 11440320), (8, 8580240), (9, 7626880), (10, 6864192), (12, 5720160), (15, 4576128), (16, 4290120), (17, 4037760), (18, 3813440), (20, 3432096), (24, 2860080), (30, 2288064), (32, 2145060), (34, 2018880), (36, 1906720), (40, 1716048), (45, 1525376), (48, 1430040), (51, 1345920), (60, 1144032), (64, 1072530), (68, 1009440), (72, 953360), (80, 858024), (85, 807552), (90, 762688), (96, 715020), (102, 672960), (120, 572016), (128, 536265), (136, 504720), (144, 476680), (153, 448640), (160, 429012), (170, 403776), (180, 381344), (192, 357510), (204, 336480), (240, 286008), (255, 269184), (272, 252360), (288, 238340), (306, 224320), (320, 214506), (340, 201888), (360, 190672), (384, 178755), (408, 168240), (480, 143004), (510, 134592), (544, 126180), (576, 119170), (612, 112160), (640, 107253), (680, 100944), (701, 97920), (720, 95336), (765, 89728), (816, 84120), (960, 71502), (1020, 67296), (1088, 63090), (1152, 59585), (1224, 56080), (1360, 50472), (1402, 48960), (1440, 47668), (1530, 44864), (1632, 42060), (1920, 35751), (2040, 33648), (2103, 32640), (2176, 31545), (2448, 28040), (2720, 25236), (2804, 24480), (2880, 23834), (3060, 22432), (3264, 21030), (3505, 19584), (4080, 16824), (4206, 16320), (4896, 14020), (5440, 12618), (5608, 12240), (5760, 11917), (6120, 11216), (6309, 10880), (6528, 10515), (7010, 9792), (8160, 8412)]