205873680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19949}}^1$

素因数の和:20008

約数の個数: 80

約数和(自身を含む): 653083200

約数和(自身を除く): 447209520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 19949, 39898, 59847, 79796, 99745, 119694, 159592, 199490, 239388, 299235, 319184, 398980, 478776, 598470, 797960, 857807, 957552, 1196940, 1595920, 1715614, 2393880, 2573421, 3431228, 4289035, 4787760, 5146842, 6862456, 8578070, 10293684, 12867105, 13724912, 17156140, 20587368, 25734210, 34312280, 41174736, 51468420, 68624560, 102936840, 205873680]

約数ペア:

[(1, 205873680), (2, 102936840), (3, 68624560), (4, 51468420), (5, 41174736), (6, 34312280), (8, 25734210), (10, 20587368), (12, 17156140), (15, 13724912), (16, 12867105), (20, 10293684), (24, 8578070), (30, 6862456), (40, 5146842), (43, 4787760), (48, 4289035), (60, 3431228), (80, 2573421), (86, 2393880), (120, 1715614), (129, 1595920), (172, 1196940), (215, 957552), (240, 857807), (258, 797960), (344, 598470), (430, 478776), (516, 398980), (645, 319184), (688, 299235), (860, 239388), (1032, 199490), (1290, 159592), (1720, 119694), (2064, 99745), (2580, 79796), (3440, 59847), (5160, 39898), (10320, 19949)]