121272720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5003}}^1$

素因数の和:5120

約数の個数: 80

約数和(自身を含む): 379743552

約数和(自身を除く): 258470832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 3030, 4040, 4848, 5003, 6060, 8080, 10006, 12120, 15009, 20012, 24240, 25015, 30018, 40024, 50030, 60036, 75045, 80048, 100060, 120072, 150090, 200120, 240144, 300180, 400240, 505303, 600360, 1010606, 1200720, 1515909, 2021212, 2526515, 3031818, 4042424, 5053030, 6063636, 7579545, 8084848, 10106060, 12127272, 15159090, 20212120, 24254544, 30318180, 40424240, 60636360, 121272720]

約数ペア:

[(1, 121272720), (2, 60636360), (3, 40424240), (4, 30318180), (5, 24254544), (6, 20212120), (8, 15159090), (10, 12127272), (12, 10106060), (15, 8084848), (16, 7579545), (20, 6063636), (24, 5053030), (30, 4042424), (40, 3031818), (48, 2526515), (60, 2021212), (80, 1515909), (101, 1200720), (120, 1010606), (202, 600360), (240, 505303), (303, 400240), (404, 300180), (505, 240144), (606, 200120), (808, 150090), (1010, 120072), (1212, 100060), (1515, 80048), (1616, 75045), (2020, 60036), (2424, 50030), (3030, 40024), (4040, 30018), (4848, 25015), (5003, 24240), (6060, 20012), (8080, 15009), (10006, 12120)]