281388960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{743}}^1$

素因数の和:1027

約数の個数: 144

約数和(自身を含む): 965188224

約数和(自身を除く): 683799264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 263, 288, 360, 480, 526, 720, 743, 789, 1052, 1315, 1440, 1486, 1578, 2104, 2229, 2367, 2630, 2972, 3156, 3715, 3945, 4208, 4458, 4734, 5260, 5944, 6312, 6687, 7430, 7890, 8416, 8916, 9468, 10520, 11145, 11835, 11888, 12624, 13374, 14860, 15780, 17832, 18936, 21040, 22290, 23670, 23776, 25248, 26748, 29720, 31560, 33435, 35664, 37872, 42080, 44580, 47340, 53496, 59440, 63120, 66870, 71328, 75744, 89160, 94680, 106992, 118880, 126240, 133740, 178320, 189360, 195409, 213984, 267480, 356640, 378720, 390818, 534960, 586227, 781636, 977045, 1069920, 1172454, 1563272, 1758681, 1954090, 2344908, 2931135, 3126544, 3517362, 3908180, 4689816, 5862270, 6253088, 7034724, 7816360, 8793405, 9379632, 11724540, 14069448, 15632720, 17586810, 18759264, 23449080, 28138896, 31265440, 35173620, 46898160, 56277792, 70347240, 93796320, 140694480, 281388960]

約数ペア:

[(1, 281388960), (2, 140694480), (3, 93796320), (4, 70347240), (5, 56277792), (6, 46898160), (8, 35173620), (9, 31265440), (10, 28138896), (12, 23449080), (15, 18759264), (16, 17586810), (18, 15632720), (20, 14069448), (24, 11724540), (30, 9379632), (32, 8793405), (36, 7816360), (40, 7034724), (45, 6253088), (48, 5862270), (60, 4689816), (72, 3908180), (80, 3517362), (90, 3126544), (96, 2931135), (120, 2344908), (144, 1954090), (160, 1758681), (180, 1563272), (240, 1172454), (263, 1069920), (288, 977045), (360, 781636), (480, 586227), (526, 534960), (720, 390818), (743, 378720), (789, 356640), (1052, 267480), (1315, 213984), (1440, 195409), (1486, 189360), (1578, 178320), (2104, 133740), (2229, 126240), (2367, 118880), (2630, 106992), (2972, 94680), (3156, 89160), (3715, 75744), (3945, 71328), (4208, 66870), (4458, 63120), (4734, 59440), (5260, 53496), (5944, 47340), (6312, 44580), (6687, 42080), (7430, 37872), (7890, 35664), (8416, 33435), (8916, 31560), (9468, 29720), (10520, 26748), (11145, 25248), (11835, 23776), (11888, 23670), (12624, 22290), (13374, 21040), (14860, 18936), (15780, 17832)]