69387760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 175363776

約数和(自身を除く): 105976016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 487, 520, 548, 685, 974, 1040, 1096, 1370, 1781, 1948, 2192, 2435, 2740, 3562, 3896, 4870, 5480, 6331, 7124, 7792, 8905, 9740, 10960, 12662, 14248, 17810, 19480, 25324, 28496, 31655, 35620, 38960, 50648, 63310, 66719, 71240, 101296, 126620, 133438, 142480, 253240, 266876, 333595, 506480, 533752, 667190, 867347, 1067504, 1334380, 1734694, 2668760, 3469388, 4336735, 5337520, 6938776, 8673470, 13877552, 17346940, 34693880, 69387760]

約数ペア:

[(1, 69387760), (2, 34693880), (4, 17346940), (5, 13877552), (8, 8673470), (10, 6938776), (13, 5337520), (16, 4336735), (20, 3469388), (26, 2668760), (40, 1734694), (52, 1334380), (65, 1067504), (80, 867347), (104, 667190), (130, 533752), (137, 506480), (208, 333595), (260, 266876), (274, 253240), (487, 142480), (520, 133438), (548, 126620), (685, 101296), (974, 71240), (1040, 66719), (1096, 63310), (1370, 50648), (1781, 38960), (1948, 35620), (2192, 31655), (2435, 28496), (2740, 25324), (3562, 19480), (3896, 17810), (4870, 14248), (5480, 12662), (6331, 10960), (7124, 9740), (7792, 8905)]