1280454800

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{31079}}^1$

素因数の和:31200

約数の個数: 60

約数和(自身を含む): 3106259520

約数和(自身を除く): 1825804720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 200, 206, 400, 412, 515, 824, 1030, 1648, 2060, 2575, 4120, 5150, 8240, 10300, 20600, 31079, 41200, 62158, 124316, 155395, 248632, 310790, 497264, 621580, 776975, 1243160, 1553950, 2486320, 3107900, 3201137, 6215800, 6402274, 12431600, 12804548, 16005685, 25609096, 32011370, 51218192, 64022740, 80028425, 128045480, 160056850, 256090960, 320113700, 640227400, 1280454800]

約数ペア:

[(1, 1280454800), (2, 640227400), (4, 320113700), (5, 256090960), (8, 160056850), (10, 128045480), (16, 80028425), (20, 64022740), (25, 51218192), (40, 32011370), (50, 25609096), (80, 16005685), (100, 12804548), (103, 12431600), (200, 6402274), (206, 6215800), (400, 3201137), (412, 3107900), (515, 2486320), (824, 1553950), (1030, 1243160), (1648, 776975), (2060, 621580), (2575, 497264), (4120, 310790), (5150, 248632), (8240, 155395), (10300, 124316), (20600, 62158), (31079, 41200)]