68685840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31799}}^1$

素因数の和:31821

約数の個数: 80

約数和(自身を含む): 236592000

約数和(自身を除く): 167906160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 31799, 63598, 95397, 127196, 158995, 190794, 254392, 286191, 317990, 381588, 476985, 508784, 572382, 635980, 763176, 858573, 953970, 1144764, 1271960, 1430955, 1526352, 1717146, 1907940, 2289528, 2543920, 2861910, 3434292, 3815880, 4292865, 4579056, 5723820, 6868584, 7631760, 8585730, 11447640, 13737168, 17171460, 22895280, 34342920, 68685840]

約数ペア:

[(1, 68685840), (2, 34342920), (3, 22895280), (4, 17171460), (5, 13737168), (6, 11447640), (8, 8585730), (9, 7631760), (10, 6868584), (12, 5723820), (15, 4579056), (16, 4292865), (18, 3815880), (20, 3434292), (24, 2861910), (27, 2543920), (30, 2289528), (36, 1907940), (40, 1717146), (45, 1526352), (48, 1430955), (54, 1271960), (60, 1144764), (72, 953970), (80, 858573), (90, 763176), (108, 635980), (120, 572382), (135, 508784), (144, 476985), (180, 381588), (216, 317990), (240, 286191), (270, 254392), (360, 190794), (432, 158995), (540, 127196), (720, 95397), (1080, 63598), (2160, 31799)]