2247706640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{1289}}^1$

素因数の和:1680

約数の個数: 80

約数和(自身を含む): 5320909440

約数和(自身を除く): 3073202800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 307, 355, 568, 614, 710, 1136, 1228, 1289, 1420, 1535, 2456, 2578, 2840, 3070, 4912, 5156, 5680, 6140, 6445, 10312, 12280, 12890, 20624, 21797, 24560, 25780, 43594, 51560, 87188, 91519, 103120, 108985, 174376, 183038, 217970, 348752, 366076, 395723, 435940, 457595, 732152, 791446, 871880, 915190, 1464304, 1582892, 1743760, 1830380, 1978615, 3165784, 3660760, 3957230, 6331568, 7321520, 7914460, 15828920, 28096333, 31657840, 56192666, 112385332, 140481665, 224770664, 280963330, 449541328, 561926660, 1123853320, 2247706640]

約数ペア:

[(1, 2247706640), (2, 1123853320), (4, 561926660), (5, 449541328), (8, 280963330), (10, 224770664), (16, 140481665), (20, 112385332), (40, 56192666), (71, 31657840), (80, 28096333), (142, 15828920), (284, 7914460), (307, 7321520), (355, 6331568), (568, 3957230), (614, 3660760), (710, 3165784), (1136, 1978615), (1228, 1830380), (1289, 1743760), (1420, 1582892), (1535, 1464304), (2456, 915190), (2578, 871880), (2840, 791446), (3070, 732152), (4912, 457595), (5156, 435940), (5680, 395723), (6140, 366076), (6445, 348752), (10312, 217970), (12280, 183038), (12890, 174376), (20624, 108985), (21797, 103120), (24560, 91519), (25780, 87188), (43594, 51560)]