15311320

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{761}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 34564320

約数和(自身を除く): 19253000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 761, 1006, 1522, 2012, 2515, 3044, 3805, 4024, 5030, 6088, 7610, 10060, 15220, 20120, 30440, 382783, 765566, 1531132, 1913915, 3062264, 3827830, 7655660, 15311320]

約数ペア:

[(1, 15311320), (2, 7655660), (4, 3827830), (5, 3062264), (8, 1913915), (10, 1531132), (20, 765566), (40, 382783), (503, 30440), (761, 20120), (1006, 15220), (1522, 10060), (2012, 7610), (2515, 6088), (3044, 5030), (3805, 4024)]