1620156

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 4021920

約数和(自身を除く): 2401764

約数列:

[1, 2, 3, 4, 6, 12, 37, 41, 74, 82, 89, 111, 123, 148, 164, 178, 222, 246, 267, 356, 444, 492, 534, 1068, 1517, 3034, 3293, 3649, 4551, 6068, 6586, 7298, 9102, 9879, 10947, 13172, 14596, 18204, 19758, 21894, 39516, 43788, 135013, 270026, 405039, 540052, 810078, 1620156]

約数ペア:

[(1, 1620156), (2, 810078), (3, 540052), (4, 405039), (6, 270026), (12, 135013), (37, 43788), (41, 39516), (74, 21894), (82, 19758), (89, 18204), (111, 14596), (123, 13172), (148, 10947), (164, 9879), (178, 9102), (222, 7298), (246, 6586), (267, 6068), (356, 4551), (444, 3649), (492, 3293), (534, 3034), (1068, 1517)]