165881560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4493}}^1$

素因数の和:4588

約数の個数: 64

約数和(自身を含む): 407695680

約数和(自身を除く): 241814120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3692, 4493, 4615, 7384, 8986, 9230, 17972, 18460, 22465, 35944, 36920, 44930, 58409, 89860, 116818, 179720, 233636, 292045, 319003, 467272, 584090, 638006, 1168180, 1276012, 1595015, 2336360, 2552024, 3190030, 4147039, 6380060, 8294078, 12760120, 16588156, 20735195, 33176312, 41470390, 82940780, 165881560]

約数ペア:

[(1, 165881560), (2, 82940780), (4, 41470390), (5, 33176312), (8, 20735195), (10, 16588156), (13, 12760120), (20, 8294078), (26, 6380060), (40, 4147039), (52, 3190030), (65, 2552024), (71, 2336360), (104, 1595015), (130, 1276012), (142, 1168180), (260, 638006), (284, 584090), (355, 467272), (520, 319003), (568, 292045), (710, 233636), (923, 179720), (1420, 116818), (1846, 89860), (2840, 58409), (3692, 44930), (4493, 36920), (4615, 35944), (7384, 22465), (8986, 18460), (9230, 17972)]