68461640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 172662840

約数和(自身を除く): 104201200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 137, 155, 248, 260, 274, 310, 403, 520, 548, 620, 685, 806, 961, 1096, 1240, 1370, 1612, 1781, 1922, 2015, 2740, 3224, 3562, 3844, 4030, 4247, 4805, 5480, 7124, 7688, 8060, 8494, 8905, 9610, 12493, 14248, 16120, 16988, 17810, 19220, 21235, 24986, 33976, 35620, 38440, 42470, 49972, 55211, 62465, 71240, 84940, 99944, 110422, 124930, 131657, 169880, 220844, 249860, 263314, 276055, 441688, 499720, 526628, 552110, 658285, 1053256, 1104220, 1316570, 1711541, 2208440, 2633140, 3423082, 5266280, 6846164, 8557705, 13692328, 17115410, 34230820, 68461640]

約数ペア:

[(1, 68461640), (2, 34230820), (4, 17115410), (5, 13692328), (8, 8557705), (10, 6846164), (13, 5266280), (20, 3423082), (26, 2633140), (31, 2208440), (40, 1711541), (52, 1316570), (62, 1104220), (65, 1053256), (104, 658285), (124, 552110), (130, 526628), (137, 499720), (155, 441688), (248, 276055), (260, 263314), (274, 249860), (310, 220844), (403, 169880), (520, 131657), (548, 124930), (620, 110422), (685, 99944), (806, 84940), (961, 71240), (1096, 62465), (1240, 55211), (1370, 49972), (1612, 42470), (1781, 38440), (1922, 35620), (2015, 33976), (2740, 24986), (3224, 21235), (3562, 19220), (3844, 17810), (4030, 16988), (4247, 16120), (4805, 14248), (5480, 12493), (7124, 9610), (7688, 8905), (8060, 8494)]