1646989440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19949}}^1$

素因数の和:20014

約数の個数: 128

約数和(自身を含む): 5372136000

約数和(自身を除く): 3725146560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 384, 430, 480, 516, 640, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 1920, 2064, 2580, 2752, 3440, 4128, 5160, 5504, 6880, 8256, 10320, 13760, 16512, 19949, 20640, 27520, 39898, 41280, 59847, 79796, 82560, 99745, 119694, 159592, 199490, 239388, 299235, 319184, 398980, 478776, 598470, 638368, 797960, 857807, 957552, 1196940, 1276736, 1595920, 1715614, 1915104, 2393880, 2553472, 2573421, 3191840, 3431228, 3830208, 4289035, 4787760, 5146842, 6383680, 6862456, 7660416, 8578070, 9575520, 10293684, 12767360, 12867105, 13724912, 17156140, 19151040, 20587368, 25734210, 27449824, 34312280, 38302080, 41174736, 51468420, 54899648, 68624560, 82349472, 102936840, 109799296, 137249120, 164698944, 205873680, 274498240, 329397888, 411747360, 548996480, 823494720, 1646989440]

約数ペア:

[(1, 1646989440), (2, 823494720), (3, 548996480), (4, 411747360), (5, 329397888), (6, 274498240), (8, 205873680), (10, 164698944), (12, 137249120), (15, 109799296), (16, 102936840), (20, 82349472), (24, 68624560), (30, 54899648), (32, 51468420), (40, 41174736), (43, 38302080), (48, 34312280), (60, 27449824), (64, 25734210), (80, 20587368), (86, 19151040), (96, 17156140), (120, 13724912), (128, 12867105), (129, 12767360), (160, 10293684), (172, 9575520), (192, 8578070), (215, 7660416), (240, 6862456), (258, 6383680), (320, 5146842), (344, 4787760), (384, 4289035), (430, 3830208), (480, 3431228), (516, 3191840), (640, 2573421), (645, 2553472), (688, 2393880), (860, 1915104), (960, 1715614), (1032, 1595920), (1290, 1276736), (1376, 1196940), (1720, 957552), (1920, 857807), (2064, 797960), (2580, 638368), (2752, 598470), (3440, 478776), (4128, 398980), (5160, 319184), (5504, 299235), (6880, 239388), (8256, 199490), (10320, 159592), (13760, 119694), (16512, 99745), (19949, 82560), (20640, 79796), (27520, 59847), (39898, 41280)]