221021520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8941}}^1$

素因数の和:9060

約数の個数: 80

約数和(自身を含む): 691896192

約数和(自身を除く): 470874672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1648, 2060, 2472, 3090, 4120, 4944, 6180, 8240, 8941, 12360, 17882, 24720, 26823, 35764, 44705, 53646, 71528, 89410, 107292, 134115, 143056, 178820, 214584, 268230, 357640, 429168, 536460, 715280, 920923, 1072920, 1841846, 2145840, 2762769, 3683692, 4604615, 5525538, 7367384, 9209230, 11051076, 13813845, 14734768, 18418460, 22102152, 27627690, 36836920, 44204304, 55255380, 73673840, 110510760, 221021520]

約数ペア:

[(1, 221021520), (2, 110510760), (3, 73673840), (4, 55255380), (5, 44204304), (6, 36836920), (8, 27627690), (10, 22102152), (12, 18418460), (15, 14734768), (16, 13813845), (20, 11051076), (24, 9209230), (30, 7367384), (40, 5525538), (48, 4604615), (60, 3683692), (80, 2762769), (103, 2145840), (120, 1841846), (206, 1072920), (240, 920923), (309, 715280), (412, 536460), (515, 429168), (618, 357640), (824, 268230), (1030, 214584), (1236, 178820), (1545, 143056), (1648, 134115), (2060, 107292), (2472, 89410), (3090, 71528), (4120, 53646), (4944, 44705), (6180, 35764), (8240, 26823), (8941, 24720), (12360, 17882)]