180009990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105269}}^1$

素因数の和:105301

約数の個数: 48

約数和(自身を含む): 492663600

約数和(自身を除く): 312653610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 105269, 210538, 315807, 526345, 631614, 947421, 1052690, 1579035, 1894842, 2000111, 3158070, 4000222, 4737105, 6000333, 9474210, 10000555, 12000666, 18000999, 20001110, 30001665, 36001998, 60003330, 90004995, 180009990]

約数ペア:

[(1, 180009990), (2, 90004995), (3, 60003330), (5, 36001998), (6, 30001665), (9, 20001110), (10, 18000999), (15, 12000666), (18, 10000555), (19, 9474210), (30, 6000333), (38, 4737105), (45, 4000222), (57, 3158070), (90, 2000111), (95, 1894842), (114, 1579035), (171, 1052690), (190, 947421), (285, 631614), (342, 526345), (570, 315807), (855, 210538), (1710, 105269)]