2158800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{257}}^1$

素因数の和:285

約数の個数: 120

約数和(自身を含む): 7934016

約数和(自身を除く): 5775216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 257, 280, 300, 336, 350, 400, 420, 514, 525, 560, 600, 700, 771, 840, 1028, 1050, 1200, 1285, 1400, 1542, 1680, 1799, 2056, 2100, 2570, 2800, 3084, 3598, 3855, 4112, 4200, 5140, 5397, 6168, 6425, 7196, 7710, 8400, 8995, 10280, 10794, 12336, 12850, 14392, 15420, 17990, 19275, 20560, 21588, 25700, 26985, 28784, 30840, 35980, 38550, 43176, 44975, 51400, 53970, 61680, 71960, 77100, 86352, 89950, 102800, 107940, 134925, 143920, 154200, 179900, 215880, 269850, 308400, 359800, 431760, 539700, 719600, 1079400, 2158800]

約数ペア:

[(1, 2158800), (2, 1079400), (3, 719600), (4, 539700), (5, 431760), (6, 359800), (7, 308400), (8, 269850), (10, 215880), (12, 179900), (14, 154200), (15, 143920), (16, 134925), (20, 107940), (21, 102800), (24, 89950), (25, 86352), (28, 77100), (30, 71960), (35, 61680), (40, 53970), (42, 51400), (48, 44975), (50, 43176), (56, 38550), (60, 35980), (70, 30840), (75, 28784), (80, 26985), (84, 25700), (100, 21588), (105, 20560), (112, 19275), (120, 17990), (140, 15420), (150, 14392), (168, 12850), (175, 12336), (200, 10794), (210, 10280), (240, 8995), (257, 8400), (280, 7710), (300, 7196), (336, 6425), (350, 6168), (400, 5397), (420, 5140), (514, 4200), (525, 4112), (560, 3855), (600, 3598), (700, 3084), (771, 2800), (840, 2570), (1028, 2100), (1050, 2056), (1200, 1799), (1285, 1680), (1400, 1542)]