15211320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{126761}}^1$

素因数の和:126775

約数の個数: 32

約数和(自身を含む): 45634320

約数和(自身を除く): 30423000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 126761, 253522, 380283, 507044, 633805, 760566, 1014088, 1267610, 1521132, 1901415, 2535220, 3042264, 3802830, 5070440, 7605660, 15211320]

約数ペア:

[(1, 15211320), (2, 7605660), (3, 5070440), (4, 3802830), (5, 3042264), (6, 2535220), (8, 1901415), (10, 1521132), (12, 1267610), (15, 1014088), (20, 760566), (24, 633805), (30, 507044), (40, 380283), (60, 253522), (120, 126761)]