68865160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18919}}^1$

素因数の和:18950

約数の個数: 64

約数和(自身を含む): 190713600

約数和(自身を除く): 121848440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 18919, 37838, 75676, 94595, 132433, 151352, 189190, 245947, 264866, 378380, 491894, 529732, 662165, 756760, 983788, 1059464, 1229735, 1324330, 1721629, 1967576, 2459470, 2648660, 3443258, 4918940, 5297320, 6886516, 8608145, 9837880, 13773032, 17216290, 34432580, 68865160]

約数ペア:

[(1, 68865160), (2, 34432580), (4, 17216290), (5, 13773032), (7, 9837880), (8, 8608145), (10, 6886516), (13, 5297320), (14, 4918940), (20, 3443258), (26, 2648660), (28, 2459470), (35, 1967576), (40, 1721629), (52, 1324330), (56, 1229735), (65, 1059464), (70, 983788), (91, 756760), (104, 662165), (130, 529732), (140, 491894), (182, 378380), (260, 264866), (280, 245947), (364, 189190), (455, 151352), (520, 132433), (728, 94595), (910, 75676), (1820, 37838), (3640, 18919)]