18307920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{76283}}^1$

素因数の和:76299

約数の個数: 40

約数和(自身を含む): 56755296

約数和(自身を除く): 38447376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 76283, 152566, 228849, 305132, 381415, 457698, 610264, 762830, 915396, 1144245, 1220528, 1525660, 1830792, 2288490, 3051320, 3661584, 4576980, 6102640, 9153960, 18307920]

約数ペア:

[(1, 18307920), (2, 9153960), (3, 6102640), (4, 4576980), (5, 3661584), (6, 3051320), (8, 2288490), (10, 1830792), (12, 1525660), (15, 1220528), (16, 1144245), (20, 915396), (24, 762830), (30, 610264), (40, 457698), (48, 381415), (60, 305132), (80, 228849), (120, 152566), (240, 76283)]