68140720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1342

約数の個数: 80

約数和(自身を含む): 171149760

約数和(自身を除く): 103009040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 92, 115, 116, 145, 184, 230, 232, 290, 368, 460, 464, 580, 667, 920, 1160, 1277, 1334, 1840, 2320, 2554, 2668, 3335, 5108, 5336, 6385, 6670, 10216, 10672, 12770, 13340, 20432, 25540, 26680, 29371, 37033, 51080, 53360, 58742, 74066, 102160, 117484, 146855, 148132, 185165, 234968, 293710, 296264, 370330, 469936, 587420, 592528, 740660, 851759, 1174840, 1481320, 1703518, 2349680, 2962640, 3407036, 4258795, 6814072, 8517590, 13628144, 17035180, 34070360, 68140720]

約数ペア:

[(1, 68140720), (2, 34070360), (4, 17035180), (5, 13628144), (8, 8517590), (10, 6814072), (16, 4258795), (20, 3407036), (23, 2962640), (29, 2349680), (40, 1703518), (46, 1481320), (58, 1174840), (80, 851759), (92, 740660), (115, 592528), (116, 587420), (145, 469936), (184, 370330), (230, 296264), (232, 293710), (290, 234968), (368, 185165), (460, 148132), (464, 146855), (580, 117484), (667, 102160), (920, 74066), (1160, 58742), (1277, 53360), (1334, 51080), (1840, 37033), (2320, 29371), (2554, 26680), (2668, 25540), (3335, 20432), (5108, 13340), (5336, 12770), (6385, 10672), (6670, 10216)]