71190680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1181}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 176165280

約数和(自身を除く): 104974600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 548, 685, 1096, 1181, 1370, 1507, 2362, 2740, 3014, 4724, 5480, 5905, 6028, 7535, 9448, 11810, 12056, 12991, 15070, 23620, 25982, 30140, 47240, 51964, 60280, 64955, 103928, 129910, 161797, 259820, 323594, 519640, 647188, 808985, 1294376, 1617970, 1779767, 3235940, 3559534, 6471880, 7119068, 8898835, 14238136, 17797670, 35595340, 71190680]

約数ペア:

[(1, 71190680), (2, 35595340), (4, 17797670), (5, 14238136), (8, 8898835), (10, 7119068), (11, 6471880), (20, 3559534), (22, 3235940), (40, 1779767), (44, 1617970), (55, 1294376), (88, 808985), (110, 647188), (137, 519640), (220, 323594), (274, 259820), (440, 161797), (548, 129910), (685, 103928), (1096, 64955), (1181, 60280), (1370, 51964), (1507, 47240), (2362, 30140), (2740, 25982), (3014, 23620), (4724, 15070), (5480, 12991), (5905, 12056), (6028, 11810), (7535, 9448)]