21259200

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 168

約数和(自身を含む): 72062848

約数和(自身を除く): 50803648

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, 103, 120, 129, 150, 160, 172, 192, 200, 206, 215, 240, 258, 300, 309, 320, 344, 400, 412, 430, 480, 515, 516, 600, 618, 645, 688, 800, 824, 860, 960, 1030, 1032, 1075, 1200, 1236, 1290, 1376, 1545, 1600, 1648, 1720, 2060, 2064, 2150, 2400, 2472, 2575, 2580, 2752, 3090, 3225, 3296, 3440, 4120, 4128, 4300, 4429, 4800, 4944, 5150, 5160, 6180, 6450, 6592, 6880, 7725, 8240, 8256, 8600, 8858, 9888, 10300, 10320, 12360, 12900, 13287, 13760, 15450, 16480, 17200, 17716, 19776, 20600, 20640, 22145, 24720, 25800, 26574, 30900, 32960, 34400, 35432, 41200, 41280, 44290, 49440, 51600, 53148, 61800, 66435, 68800, 70864, 82400, 88580, 98880, 103200, 106296, 110725, 123600, 132870, 141728, 164800, 177160, 206400, 212592, 221450, 247200, 265740, 283456, 332175, 354320, 425184, 442900, 494400, 531480, 664350, 708640, 850368, 885800, 1062960, 1328700, 1417280, 1771600, 2125920, 2657400, 3543200, 4251840, 5314800, 7086400, 10629600, 21259200]

約数ペア:

[(1, 21259200), (2, 10629600), (3, 7086400), (4, 5314800), (5, 4251840), (6, 3543200), (8, 2657400), (10, 2125920), (12, 1771600), (15, 1417280), (16, 1328700), (20, 1062960), (24, 885800), (25, 850368), (30, 708640), (32, 664350), (40, 531480), (43, 494400), (48, 442900), (50, 425184), (60, 354320), (64, 332175), (75, 283456), (80, 265740), (86, 247200), (96, 221450), (100, 212592), (103, 206400), (120, 177160), (129, 164800), (150, 141728), (160, 132870), (172, 123600), (192, 110725), (200, 106296), (206, 103200), (215, 98880), (240, 88580), (258, 82400), (300, 70864), (309, 68800), (320, 66435), (344, 61800), (400, 53148), (412, 51600), (430, 49440), (480, 44290), (515, 41280), (516, 41200), (600, 35432), (618, 34400), (645, 32960), (688, 30900), (800, 26574), (824, 25800), (860, 24720), (960, 22145), (1030, 20640), (1032, 20600), (1075, 19776), (1200, 17716), (1236, 17200), (1290, 16480), (1376, 15450), (1545, 13760), (1600, 13287), (1648, 12900), (1720, 12360), (2060, 10320), (2064, 10300), (2150, 9888), (2400, 8858), (2472, 8600), (2575, 8256), (2580, 8240), (2752, 7725), (3090, 6880), (3225, 6592), (3296, 6450), (3440, 6180), (4120, 5160), (4128, 5150), (4300, 4944), (4429, 4800)]