207535120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{463}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 521966592

約数和(自身を除く): 314431472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 431, 463, 520, 862, 926, 1040, 1724, 1852, 2155, 2315, 3448, 3704, 4310, 4630, 5603, 6019, 6896, 7408, 8620, 9260, 11206, 12038, 17240, 18520, 22412, 24076, 28015, 30095, 34480, 37040, 44824, 48152, 56030, 60190, 89648, 96304, 112060, 120380, 199553, 224120, 240760, 399106, 448240, 481520, 798212, 997765, 1596424, 1995530, 2594189, 3192848, 3991060, 5188378, 7982120, 10376756, 12970945, 15964240, 20753512, 25941890, 41507024, 51883780, 103767560, 207535120]

約数ペア:

[(1, 207535120), (2, 103767560), (4, 51883780), (5, 41507024), (8, 25941890), (10, 20753512), (13, 15964240), (16, 12970945), (20, 10376756), (26, 7982120), (40, 5188378), (52, 3991060), (65, 3192848), (80, 2594189), (104, 1995530), (130, 1596424), (208, 997765), (260, 798212), (431, 481520), (463, 448240), (520, 399106), (862, 240760), (926, 224120), (1040, 199553), (1724, 120380), (1852, 112060), (2155, 96304), (2315, 89648), (3448, 60190), (3704, 56030), (4310, 48152), (4630, 44824), (5603, 37040), (6019, 34480), (6896, 30095), (7408, 28015), (8620, 24076), (9260, 22412), (11206, 18520), (12038, 17240)]