38757780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1093}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 118270152

約数和(自身を除く): 79512372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1093, 1182, 1773, 1970, 2186, 2364, 2955, 3279, 3546, 3940, 4372, 5465, 5910, 6558, 7092, 8865, 9837, 10930, 11820, 13116, 16395, 17730, 19674, 21860, 32790, 35460, 39348, 49185, 65580, 98370, 196740, 215321, 430642, 645963, 861284, 1076605, 1291926, 1937889, 2153210, 2583852, 3229815, 3875778, 4306420, 6459630, 7751556, 9689445, 12919260, 19378890, 38757780]

約数ペア:

[(1, 38757780), (2, 19378890), (3, 12919260), (4, 9689445), (5, 7751556), (6, 6459630), (9, 4306420), (10, 3875778), (12, 3229815), (15, 2583852), (18, 2153210), (20, 1937889), (30, 1291926), (36, 1076605), (45, 861284), (60, 645963), (90, 430642), (180, 215321), (197, 196740), (394, 98370), (591, 65580), (788, 49185), (985, 39348), (1093, 35460), (1182, 32790), (1773, 21860), (1970, 19674), (2186, 17730), (2364, 16395), (2955, 13116), (3279, 11820), (3546, 10930), (3940, 9837), (4372, 8865), (5465, 7092), (5910, 6558)]