8161920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 30630600

約数和(自身を除く): 22468680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 109, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 218, 234, 240, 260, 288, 312, 320, 327, 360, 384, 390, 416, 436, 468, 480, 520, 545, 576, 585, 624, 640, 654, 720, 780, 832, 872, 936, 960, 981, 1040, 1090, 1152, 1170, 1248, 1308, 1417, 1440, 1560, 1635, 1664, 1744, 1872, 1920, 1962, 2080, 2180, 2340, 2496, 2616, 2834, 2880, 3120, 3270, 3488, 3744, 3924, 4160, 4251, 4360, 4680, 4905, 4992, 5232, 5668, 5760, 6240, 6540, 6976, 7085, 7488, 7848, 8320, 8502, 8720, 9360, 9810, 10464, 11336, 12480, 12753, 13080, 13952, 14170, 14976, 15696, 17004, 17440, 18720, 19620, 20928, 21255, 22672, 24960, 25506, 26160, 28340, 31392, 34008, 34880, 37440, 39240, 41856, 42510, 45344, 51012, 52320, 56680, 62784, 63765, 68016, 69760, 74880, 78480, 85020, 90688, 102024, 104640, 113360, 125568, 127530, 136032, 156960, 170040, 181376, 204048, 209280, 226720, 255060, 272064, 313920, 340080, 408096, 453440, 510120, 544128, 627840, 680160, 816192, 906880, 1020240, 1360320, 1632384, 2040480, 2720640, 4080960, 8161920]

約数ペア:

[(1, 8161920), (2, 4080960), (3, 2720640), (4, 2040480), (5, 1632384), (6, 1360320), (8, 1020240), (9, 906880), (10, 816192), (12, 680160), (13, 627840), (15, 544128), (16, 510120), (18, 453440), (20, 408096), (24, 340080), (26, 313920), (30, 272064), (32, 255060), (36, 226720), (39, 209280), (40, 204048), (45, 181376), (48, 170040), (52, 156960), (60, 136032), (64, 127530), (65, 125568), (72, 113360), (78, 104640), (80, 102024), (90, 90688), (96, 85020), (104, 78480), (109, 74880), (117, 69760), (120, 68016), (128, 63765), (130, 62784), (144, 56680), (156, 52320), (160, 51012), (180, 45344), (192, 42510), (195, 41856), (208, 39240), (218, 37440), (234, 34880), (240, 34008), (260, 31392), (288, 28340), (312, 26160), (320, 25506), (327, 24960), (360, 22672), (384, 21255), (390, 20928), (416, 19620), (436, 18720), (468, 17440), (480, 17004), (520, 15696), (545, 14976), (576, 14170), (585, 13952), (624, 13080), (640, 12753), (654, 12480), (720, 11336), (780, 10464), (832, 9810), (872, 9360), (936, 8720), (960, 8502), (981, 8320), (1040, 7848), (1090, 7488), (1152, 7085), (1170, 6976), (1248, 6540), (1308, 6240), (1417, 5760), (1440, 5668), (1560, 5232), (1635, 4992), (1664, 4905), (1744, 4680), (1872, 4360), (1920, 4251), (1962, 4160), (2080, 3924), (2180, 3744), (2340, 3488), (2496, 3270), (2616, 3120), (2834, 2880)]