80731320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6661}}^1$

素因数の和:6776

約数の個数: 64

約数和(自身を含む): 244628640

約数和(自身を除く): 163897320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 6661, 12120, 13322, 19983, 26644, 33305, 39966, 53288, 66610, 79932, 99915, 133220, 159864, 199830, 266440, 399660, 672761, 799320, 1345522, 2018283, 2691044, 3363805, 4036566, 5382088, 6727610, 8073132, 10091415, 13455220, 16146264, 20182830, 26910440, 40365660, 80731320]

約数ペア:

[(1, 80731320), (2, 40365660), (3, 26910440), (4, 20182830), (5, 16146264), (6, 13455220), (8, 10091415), (10, 8073132), (12, 6727610), (15, 5382088), (20, 4036566), (24, 3363805), (30, 2691044), (40, 2018283), (60, 1345522), (101, 799320), (120, 672761), (202, 399660), (303, 266440), (404, 199830), (505, 159864), (606, 133220), (808, 99915), (1010, 79932), (1212, 66610), (1515, 53288), (2020, 39966), (2424, 33305), (3030, 26644), (4040, 19983), (6060, 13322), (6661, 12120)]