162720820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{3727}}^1$

素因数の和:3832

約数の個数: 48

約数和(自身を含む): 356993280

約数和(自身を除く): 194272460

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 590, 740, 1180, 2183, 3727, 4366, 7454, 8732, 10915, 14908, 18635, 21830, 37270, 43660, 74540, 137899, 219893, 275798, 439786, 551596, 689495, 879572, 1099465, 1378990, 2198930, 2757980, 4397860, 8136041, 16272082, 32544164, 40680205, 81360410, 162720820]

約数ペア:

[(1, 162720820), (2, 81360410), (4, 40680205), (5, 32544164), (10, 16272082), (20, 8136041), (37, 4397860), (59, 2757980), (74, 2198930), (118, 1378990), (148, 1099465), (185, 879572), (236, 689495), (295, 551596), (370, 439786), (590, 275798), (740, 219893), (1180, 137899), (2183, 74540), (3727, 43660), (4366, 37270), (7454, 21830), (8732, 18635), (10915, 14908)]