68109440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:710

約数の個数: 128

約数和(自身を含む): 194469120

約数和(自身を除く): 126359680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 640, 644, 661, 736, 805, 896, 920, 1120, 1288, 1322, 1472, 1610, 1840, 2240, 2576, 2644, 2944, 3220, 3305, 3680, 4480, 4627, 5152, 5288, 6440, 6610, 7360, 9254, 10304, 10576, 12880, 13220, 14720, 15203, 18508, 20608, 21152, 23135, 25760, 26440, 30406, 37016, 42304, 46270, 51520, 52880, 60812, 74032, 76015, 84608, 92540, 103040, 105760, 106421, 121624, 148064, 152030, 185080, 211520, 212842, 243248, 296128, 304060, 370160, 423040, 425684, 486496, 532105, 592256, 608120, 740320, 851368, 972992, 1064210, 1216240, 1480640, 1702736, 1945984, 2128420, 2432480, 2961280, 3405472, 4256840, 4864960, 6810944, 8513680, 9729920, 13621888, 17027360, 34054720, 68109440]

約数ペア:

[(1, 68109440), (2, 34054720), (4, 17027360), (5, 13621888), (7, 9729920), (8, 8513680), (10, 6810944), (14, 4864960), (16, 4256840), (20, 3405472), (23, 2961280), (28, 2432480), (32, 2128420), (35, 1945984), (40, 1702736), (46, 1480640), (56, 1216240), (64, 1064210), (70, 972992), (80, 851368), (92, 740320), (112, 608120), (115, 592256), (128, 532105), (140, 486496), (160, 425684), (161, 423040), (184, 370160), (224, 304060), (230, 296128), (280, 243248), (320, 212842), (322, 211520), (368, 185080), (448, 152030), (460, 148064), (560, 121624), (640, 106421), (644, 105760), (661, 103040), (736, 92540), (805, 84608), (896, 76015), (920, 74032), (1120, 60812), (1288, 52880), (1322, 51520), (1472, 46270), (1610, 42304), (1840, 37016), (2240, 30406), (2576, 26440), (2644, 25760), (2944, 23135), (3220, 21152), (3305, 20608), (3680, 18508), (4480, 15203), (4627, 14720), (5152, 13220), (5288, 12880), (6440, 10576), (6610, 10304), (7360, 9254)]