1721167240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{13187}}^1$

素因数の和:13462

約数の個数: 64

約数和(自身を含む): 4187453760

約数和(自身を除く): 2466286520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 502, 520, 1004, 1255, 2008, 2510, 3263, 5020, 6526, 10040, 13052, 13187, 16315, 26104, 26374, 32630, 52748, 65260, 65935, 105496, 130520, 131870, 171431, 263740, 342862, 527480, 685724, 857155, 1371448, 1714310, 3309937, 3428620, 6619874, 6857240, 13239748, 16549685, 26479496, 33099370, 43029181, 66198740, 86058362, 132397480, 172116724, 215145905, 344233448, 430291810, 860583620, 1721167240]

約数ペア:

[(1, 1721167240), (2, 860583620), (4, 430291810), (5, 344233448), (8, 215145905), (10, 172116724), (13, 132397480), (20, 86058362), (26, 66198740), (40, 43029181), (52, 33099370), (65, 26479496), (104, 16549685), (130, 13239748), (251, 6857240), (260, 6619874), (502, 3428620), (520, 3309937), (1004, 1714310), (1255, 1371448), (2008, 857155), (2510, 685724), (3263, 527480), (5020, 342862), (6526, 263740), (10040, 171431), (13052, 131870), (13187, 130520), (16315, 105496), (26104, 65935), (26374, 65260), (32630, 52748)]