820728960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9941}}^1$

素因数の和:10006

約数の個数: 128

約数和(自身を含む): 2677181760

約数和(自身を除く): 1856452800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 384, 430, 480, 516, 640, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 1920, 2064, 2580, 2752, 3440, 4128, 5160, 5504, 6880, 8256, 9941, 10320, 13760, 16512, 19882, 20640, 27520, 29823, 39764, 41280, 49705, 59646, 79528, 82560, 99410, 119292, 149115, 159056, 198820, 238584, 298230, 318112, 397640, 427463, 477168, 596460, 636224, 795280, 854926, 954336, 1192920, 1272448, 1282389, 1590560, 1709852, 1908672, 2137315, 2385840, 2564778, 3181120, 3419704, 3817344, 4274630, 4771680, 5129556, 6362240, 6411945, 6839408, 8549260, 9543360, 10259112, 12823890, 13678816, 17098520, 19086720, 20518224, 25647780, 27357632, 34197040, 41036448, 51295560, 54715264, 68394080, 82072896, 102591120, 136788160, 164145792, 205182240, 273576320, 410364480, 820728960]

約数ペア:

[(1, 820728960), (2, 410364480), (3, 273576320), (4, 205182240), (5, 164145792), (6, 136788160), (8, 102591120), (10, 82072896), (12, 68394080), (15, 54715264), (16, 51295560), (20, 41036448), (24, 34197040), (30, 27357632), (32, 25647780), (40, 20518224), (43, 19086720), (48, 17098520), (60, 13678816), (64, 12823890), (80, 10259112), (86, 9543360), (96, 8549260), (120, 6839408), (128, 6411945), (129, 6362240), (160, 5129556), (172, 4771680), (192, 4274630), (215, 3817344), (240, 3419704), (258, 3181120), (320, 2564778), (344, 2385840), (384, 2137315), (430, 1908672), (480, 1709852), (516, 1590560), (640, 1282389), (645, 1272448), (688, 1192920), (860, 954336), (960, 854926), (1032, 795280), (1290, 636224), (1376, 596460), (1720, 477168), (1920, 427463), (2064, 397640), (2580, 318112), (2752, 298230), (3440, 238584), (4128, 198820), (5160, 159056), (5504, 149115), (6880, 119292), (8256, 99410), (9941, 82560), (10320, 79528), (13760, 59646), (16512, 49705), (19882, 41280), (20640, 39764), (27520, 29823)]