281448960

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2819}}^1$

素因数の和:2858

約数の個数: 160

約数和(自身を含む): 969312960

約数和(自身を除く): 687864000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 2819, 3120, 3328, 3840, 4160, 4992, 5638, 6240, 6656, 7680, 8320, 8457, 9984, 11276, 12480, 14095, 16640, 16914, 19968, 22552, 24960, 28190, 33280, 33828, 36647, 42285, 45104, 49920, 56380, 67656, 73294, 84570, 90208, 99840, 109941, 112760, 135312, 146588, 169140, 180416, 183235, 219882, 225520, 270624, 293176, 338280, 360832, 366470, 439764, 451040, 541248, 549705, 586352, 676560, 721664, 732940, 879528, 902080, 1082496, 1099410, 1172704, 1353120, 1443328, 1465880, 1759056, 1804160, 2164992, 2198820, 2345408, 2706240, 2931760, 3518112, 3608320, 4329984, 4397640, 4690816, 5412480, 5863520, 7036224, 7216640, 8795280, 9381632, 10824960, 11727040, 14072448, 17590560, 18763264, 21649920, 23454080, 28144896, 35181120, 46908160, 56289792, 70362240, 93816320, 140724480, 281448960]

約数ペア:

[(1, 281448960), (2, 140724480), (3, 93816320), (4, 70362240), (5, 56289792), (6, 46908160), (8, 35181120), (10, 28144896), (12, 23454080), (13, 21649920), (15, 18763264), (16, 17590560), (20, 14072448), (24, 11727040), (26, 10824960), (30, 9381632), (32, 8795280), (39, 7216640), (40, 7036224), (48, 5863520), (52, 5412480), (60, 4690816), (64, 4397640), (65, 4329984), (78, 3608320), (80, 3518112), (96, 2931760), (104, 2706240), (120, 2345408), (128, 2198820), (130, 2164992), (156, 1804160), (160, 1759056), (192, 1465880), (195, 1443328), (208, 1353120), (240, 1172704), (256, 1099410), (260, 1082496), (312, 902080), (320, 879528), (384, 732940), (390, 721664), (416, 676560), (480, 586352), (512, 549705), (520, 541248), (624, 451040), (640, 439764), (768, 366470), (780, 360832), (832, 338280), (960, 293176), (1040, 270624), (1248, 225520), (1280, 219882), (1536, 183235), (1560, 180416), (1664, 169140), (1920, 146588), (2080, 135312), (2496, 112760), (2560, 109941), (2819, 99840), (3120, 90208), (3328, 84570), (3840, 73294), (4160, 67656), (4992, 56380), (5638, 49920), (6240, 45104), (6656, 42285), (7680, 36647), (8320, 33828), (8457, 33280), (9984, 28190), (11276, 24960), (12480, 22552), (14095, 19968), (16640, 16914)]