67212340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{269}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 157648680

約数和(自身を除く): 90436340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 269, 310, 403, 538, 620, 806, 961, 1076, 1345, 1612, 1922, 2015, 2690, 3497, 3844, 4030, 4805, 5380, 6994, 8060, 8339, 9610, 12493, 13988, 16678, 17485, 19220, 24986, 33356, 34970, 41695, 49972, 62465, 69940, 83390, 108407, 124930, 166780, 216814, 249860, 258509, 433628, 517018, 542035, 1034036, 1084070, 1292545, 2168140, 2585090, 3360617, 5170180, 6721234, 13442468, 16803085, 33606170, 67212340]

約数ペア:

[(1, 67212340), (2, 33606170), (4, 16803085), (5, 13442468), (10, 6721234), (13, 5170180), (20, 3360617), (26, 2585090), (31, 2168140), (52, 1292545), (62, 1084070), (65, 1034036), (124, 542035), (130, 517018), (155, 433628), (260, 258509), (269, 249860), (310, 216814), (403, 166780), (538, 124930), (620, 108407), (806, 83390), (961, 69940), (1076, 62465), (1345, 49972), (1612, 41695), (1922, 34970), (2015, 33356), (2690, 24986), (3497, 19220), (3844, 17485), (4030, 16678), (4805, 13988), (5380, 12493), (6994, 9610), (8060, 8339)]