68615440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 168739200

約数和(自身を除く): 100123760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 419, 445, 460, 712, 838, 890, 920, 1424, 1676, 1780, 1840, 2047, 2095, 3352, 3560, 4094, 4190, 6704, 7120, 8188, 8380, 9637, 10235, 16376, 16760, 19274, 20470, 32752, 33520, 37291, 38548, 40940, 48185, 74582, 77096, 81880, 96370, 149164, 154192, 163760, 186455, 192740, 298328, 372910, 385480, 596656, 745820, 770960, 857693, 1491640, 1715386, 2983280, 3430772, 4288465, 6861544, 8576930, 13723088, 17153860, 34307720, 68615440]

約数ペア:

[(1, 68615440), (2, 34307720), (4, 17153860), (5, 13723088), (8, 8576930), (10, 6861544), (16, 4288465), (20, 3430772), (23, 2983280), (40, 1715386), (46, 1491640), (80, 857693), (89, 770960), (92, 745820), (115, 596656), (178, 385480), (184, 372910), (230, 298328), (356, 192740), (368, 186455), (419, 163760), (445, 154192), (460, 149164), (712, 96370), (838, 81880), (890, 77096), (920, 74582), (1424, 48185), (1676, 40940), (1780, 38548), (1840, 37291), (2047, 33520), (2095, 32752), (3352, 20470), (3560, 19274), (4094, 16760), (4190, 16376), (6704, 10235), (7120, 9637), (8188, 8380)]