312075140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1249}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 729855000

約数和(自身を除く): 417779860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1249, 1612, 1922, 2015, 2498, 3844, 4030, 4805, 4996, 6245, 8060, 9610, 12490, 12493, 16237, 19220, 24980, 24986, 32474, 38719, 49972, 62465, 64948, 77438, 81185, 124930, 154876, 162370, 193595, 249860, 324740, 387190, 503347, 774380, 1006694, 1200289, 2013388, 2400578, 2516735, 4801156, 5033470, 6001445, 10066940, 12002890, 15603757, 24005780, 31207514, 62415028, 78018785, 156037570, 312075140]

約数ペア:

[(1, 312075140), (2, 156037570), (4, 78018785), (5, 62415028), (10, 31207514), (13, 24005780), (20, 15603757), (26, 12002890), (31, 10066940), (52, 6001445), (62, 5033470), (65, 4801156), (124, 2516735), (130, 2400578), (155, 2013388), (260, 1200289), (310, 1006694), (403, 774380), (620, 503347), (806, 387190), (961, 324740), (1249, 249860), (1612, 193595), (1922, 162370), (2015, 154876), (2498, 124930), (3844, 81185), (4030, 77438), (4805, 64948), (4996, 62465), (6245, 49972), (8060, 38719), (9610, 32474), (12490, 24986), (12493, 24980), (16237, 19220)]