18260520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8009}}^1$

素因数の和:8042

約数の個数: 64

約数和(自身を含む): 57672000

約数和(自身を除く): 39411480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8009, 16018, 24027, 32036, 40045, 48054, 64072, 80090, 96108, 120135, 152171, 160180, 192216, 240270, 304342, 320360, 456513, 480540, 608684, 760855, 913026, 961080, 1217368, 1521710, 1826052, 2282565, 3043420, 3652104, 4565130, 6086840, 9130260, 18260520]

約数ペア:

[(1, 18260520), (2, 9130260), (3, 6086840), (4, 4565130), (5, 3652104), (6, 3043420), (8, 2282565), (10, 1826052), (12, 1521710), (15, 1217368), (19, 961080), (20, 913026), (24, 760855), (30, 608684), (38, 480540), (40, 456513), (57, 320360), (60, 304342), (76, 240270), (95, 192216), (114, 160180), (120, 152171), (152, 120135), (190, 96108), (228, 80090), (285, 64072), (380, 48054), (456, 40045), (570, 32036), (760, 24027), (1140, 16018), (2280, 8009)]