681004480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1289}}^1$

素因数の和:1446

約数の個数: 112

約数和(自身を含む): 1761500160

約数和(自身を除く): 1080495680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 130, 160, 208, 254, 260, 320, 416, 508, 520, 635, 832, 1016, 1040, 1270, 1289, 1651, 2032, 2080, 2540, 2578, 3302, 4064, 4160, 5080, 5156, 6445, 6604, 8128, 8255, 10160, 10312, 12890, 13208, 16510, 16757, 20320, 20624, 25780, 26416, 33020, 33514, 40640, 41248, 51560, 52832, 66040, 67028, 82496, 83785, 103120, 105664, 132080, 134056, 163703, 167570, 206240, 264160, 268112, 327406, 335140, 412480, 528320, 536224, 654812, 670280, 818515, 1072448, 1309624, 1340560, 1637030, 2128139, 2619248, 2681120, 3274060, 4256278, 5238496, 5362240, 6548120, 8512556, 10476992, 10640695, 13096240, 17025112, 21281390, 26192480, 34050224, 42562780, 52384960, 68100448, 85125560, 136200896, 170251120, 340502240, 681004480]

約数ペア:

[(1, 681004480), (2, 340502240), (4, 170251120), (5, 136200896), (8, 85125560), (10, 68100448), (13, 52384960), (16, 42562780), (20, 34050224), (26, 26192480), (32, 21281390), (40, 17025112), (52, 13096240), (64, 10640695), (65, 10476992), (80, 8512556), (104, 6548120), (127, 5362240), (130, 5238496), (160, 4256278), (208, 3274060), (254, 2681120), (260, 2619248), (320, 2128139), (416, 1637030), (508, 1340560), (520, 1309624), (635, 1072448), (832, 818515), (1016, 670280), (1040, 654812), (1270, 536224), (1289, 528320), (1651, 412480), (2032, 335140), (2080, 327406), (2540, 268112), (2578, 264160), (3302, 206240), (4064, 167570), (4160, 163703), (5080, 134056), (5156, 132080), (6445, 105664), (6604, 103120), (8128, 83785), (8255, 82496), (10160, 67028), (10312, 66040), (12890, 52832), (13208, 51560), (16510, 41248), (16757, 40640), (20320, 33514), (20624, 33020), (25780, 26416)]