208880880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66949}}^1$

素因数の和:66978

約数の個数: 80

約数和(自身を含む): 697351200

約数和(自身を除く): 488470320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 66949, 133898, 200847, 267796, 334745, 401694, 535592, 669490, 803388, 870337, 1004235, 1071184, 1338980, 1606776, 1740674, 2008470, 2611011, 2677960, 3213552, 3481348, 4016940, 4351685, 5222022, 5355920, 6962696, 8033880, 8703370, 10444044, 13055055, 13925392, 16067760, 17406740, 20888088, 26110110, 34813480, 41776176, 52220220, 69626960, 104440440, 208880880]

約数ペア:

[(1, 208880880), (2, 104440440), (3, 69626960), (4, 52220220), (5, 41776176), (6, 34813480), (8, 26110110), (10, 20888088), (12, 17406740), (13, 16067760), (15, 13925392), (16, 13055055), (20, 10444044), (24, 8703370), (26, 8033880), (30, 6962696), (39, 5355920), (40, 5222022), (48, 4351685), (52, 4016940), (60, 3481348), (65, 3213552), (78, 2677960), (80, 2611011), (104, 2008470), (120, 1740674), (130, 1606776), (156, 1338980), (195, 1071184), (208, 1004235), (240, 870337), (260, 803388), (312, 669490), (390, 535592), (520, 401694), (624, 334745), (780, 267796), (1040, 200847), (1560, 133898), (3120, 66949)]