161777520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{74897}}^1$

素因数の和:74919

約数の個数: 80

約数和(自身を含む): 557241120

約数和(自身を除く): 395463600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 74897, 149794, 224691, 299588, 374485, 449382, 599176, 674073, 748970, 898764, 1123455, 1198352, 1348146, 1497940, 1797528, 2022219, 2246910, 2696292, 2995880, 3370365, 3595056, 4044438, 4493820, 5392584, 5991760, 6740730, 8088876, 8987640, 10111095, 10785168, 13481460, 16177752, 17975280, 20222190, 26962920, 32355504, 40444380, 53925840, 80888760, 161777520]

約数ペア:

[(1, 161777520), (2, 80888760), (3, 53925840), (4, 40444380), (5, 32355504), (6, 26962920), (8, 20222190), (9, 17975280), (10, 16177752), (12, 13481460), (15, 10785168), (16, 10111095), (18, 8987640), (20, 8088876), (24, 6740730), (27, 5991760), (30, 5392584), (36, 4493820), (40, 4044438), (45, 3595056), (48, 3370365), (54, 2995880), (60, 2696292), (72, 2246910), (80, 2022219), (90, 1797528), (108, 1497940), (120, 1348146), (135, 1198352), (144, 1123455), (180, 898764), (216, 748970), (240, 674073), (270, 599176), (360, 449382), (432, 374485), (540, 299588), (720, 224691), (1080, 149794), (2160, 74897)]