77681280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{40459}}^1$

素因数の和:40481

約数の個数: 64

約数和(自身を含む): 247615200

約数和(自身を除く): 169933920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 40459, 80918, 121377, 161836, 202295, 242754, 323672, 404590, 485508, 606885, 647344, 809180, 971016, 1213770, 1294688, 1618360, 1942032, 2427540, 2589376, 3236720, 3884064, 4855080, 5178752, 6473440, 7768128, 9710160, 12946880, 15536256, 19420320, 25893760, 38840640, 77681280]

約数ペア:

[(1, 77681280), (2, 38840640), (3, 25893760), (4, 19420320), (5, 15536256), (6, 12946880), (8, 9710160), (10, 7768128), (12, 6473440), (15, 5178752), (16, 4855080), (20, 3884064), (24, 3236720), (30, 2589376), (32, 2427540), (40, 1942032), (48, 1618360), (60, 1294688), (64, 1213770), (80, 971016), (96, 809180), (120, 647344), (128, 606885), (160, 485508), (192, 404590), (240, 323672), (320, 242754), (384, 202295), (480, 161836), (640, 121377), (960, 80918), (1920, 40459)]