28689600

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 168

約数和(自身を含む): 97007680

約数和(自身を除く): 68318080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 64, 75, 80, 86, 96, 100, 120, 129, 139, 150, 160, 172, 192, 200, 215, 240, 258, 278, 300, 320, 344, 400, 417, 430, 480, 516, 556, 600, 645, 688, 695, 800, 834, 860, 960, 1032, 1075, 1112, 1200, 1290, 1376, 1390, 1600, 1668, 1720, 2064, 2085, 2150, 2224, 2400, 2580, 2752, 2780, 3225, 3336, 3440, 3475, 4128, 4170, 4300, 4448, 4800, 5160, 5560, 5977, 6450, 6672, 6880, 6950, 8256, 8340, 8600, 8896, 10320, 10425, 11120, 11954, 12900, 13344, 13760, 13900, 16680, 17200, 17931, 20640, 20850, 22240, 23908, 25800, 26688, 27800, 29885, 33360, 34400, 35862, 41280, 41700, 44480, 47816, 51600, 55600, 59770, 66720, 68800, 71724, 83400, 89655, 95632, 103200, 111200, 119540, 133440, 143448, 149425, 166800, 179310, 191264, 206400, 222400, 239080, 286896, 298850, 333600, 358620, 382528, 448275, 478160, 573792, 597700, 667200, 717240, 896550, 956320, 1147584, 1195400, 1434480, 1793100, 1912640, 2390800, 2868960, 3586200, 4781600, 5737920, 7172400, 9563200, 14344800, 28689600]

約数ペア:

[(1, 28689600), (2, 14344800), (3, 9563200), (4, 7172400), (5, 5737920), (6, 4781600), (8, 3586200), (10, 2868960), (12, 2390800), (15, 1912640), (16, 1793100), (20, 1434480), (24, 1195400), (25, 1147584), (30, 956320), (32, 896550), (40, 717240), (43, 667200), (48, 597700), (50, 573792), (60, 478160), (64, 448275), (75, 382528), (80, 358620), (86, 333600), (96, 298850), (100, 286896), (120, 239080), (129, 222400), (139, 206400), (150, 191264), (160, 179310), (172, 166800), (192, 149425), (200, 143448), (215, 133440), (240, 119540), (258, 111200), (278, 103200), (300, 95632), (320, 89655), (344, 83400), (400, 71724), (417, 68800), (430, 66720), (480, 59770), (516, 55600), (556, 51600), (600, 47816), (645, 44480), (688, 41700), (695, 41280), (800, 35862), (834, 34400), (860, 33360), (960, 29885), (1032, 27800), (1075, 26688), (1112, 25800), (1200, 23908), (1290, 22240), (1376, 20850), (1390, 20640), (1600, 17931), (1668, 17200), (1720, 16680), (2064, 13900), (2085, 13760), (2150, 13344), (2224, 12900), (2400, 11954), (2580, 11120), (2752, 10425), (2780, 10320), (3225, 8896), (3336, 8600), (3440, 8340), (3475, 8256), (4128, 6950), (4170, 6880), (4300, 6672), (4448, 6450), (4800, 5977), (5160, 5560)]