259720680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21013}}^1$

素因数の和:21130

約数の個数: 64

約数和(自身を含む): 786764160

約数和(自身を除く): 527043480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 2060, 2472, 3090, 4120, 6180, 12360, 21013, 42026, 63039, 84052, 105065, 126078, 168104, 210130, 252156, 315195, 420260, 504312, 630390, 840520, 1260780, 2164339, 2521560, 4328678, 6493017, 8657356, 10821695, 12986034, 17314712, 21643390, 25972068, 32465085, 43286780, 51944136, 64930170, 86573560, 129860340, 259720680]

約数ペア:

[(1, 259720680), (2, 129860340), (3, 86573560), (4, 64930170), (5, 51944136), (6, 43286780), (8, 32465085), (10, 25972068), (12, 21643390), (15, 17314712), (20, 12986034), (24, 10821695), (30, 8657356), (40, 6493017), (60, 4328678), (103, 2521560), (120, 2164339), (206, 1260780), (309, 840520), (412, 630390), (515, 504312), (618, 420260), (824, 315195), (1030, 252156), (1236, 210130), (1545, 168104), (2060, 126078), (2472, 105065), (3090, 84052), (4120, 63039), (6180, 42026), (12360, 21013)]