156206360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{64019}}^1$

素因数の和:64091

約数の個数: 32

約数和(自身を含む): 357231600

約数和(自身を除く): 201025240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 64019, 128038, 256076, 320095, 512152, 640190, 1280380, 2560760, 3905159, 7810318, 15620636, 19525795, 31241272, 39051590, 78103180, 156206360]

約数ペア:

[(1, 156206360), (2, 78103180), (4, 39051590), (5, 31241272), (8, 19525795), (10, 15620636), (20, 7810318), (40, 3905159), (61, 2560760), (122, 1280380), (244, 640190), (305, 512152), (488, 320095), (610, 256076), (1220, 128038), (2440, 64019)]