68928640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9791}}^1$

素因数の和:9821

約数の個数: 64

約数和(自身を含む): 179781120

約数和(自身を除く): 110852480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 9791, 19582, 39164, 48955, 78328, 97910, 107701, 156656, 195820, 215402, 313312, 391640, 430804, 538505, 626624, 783280, 861608, 1077010, 1253248, 1566560, 1723216, 2154020, 3133120, 3446432, 4308040, 6266240, 6892864, 8616080, 13785728, 17232160, 34464320, 68928640]

約数ペア:

[(1, 68928640), (2, 34464320), (4, 17232160), (5, 13785728), (8, 8616080), (10, 6892864), (11, 6266240), (16, 4308040), (20, 3446432), (22, 3133120), (32, 2154020), (40, 1723216), (44, 1566560), (55, 1253248), (64, 1077010), (80, 861608), (88, 783280), (110, 626624), (128, 538505), (160, 430804), (176, 391640), (220, 313312), (320, 215402), (352, 195820), (440, 156656), (640, 107701), (704, 97910), (880, 78328), (1408, 48955), (1760, 39164), (3520, 19582), (7040, 9791)]