61238540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1609}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 141190560

約数和(自身を除く): 79952020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1609, 1730, 1903, 3218, 3460, 3806, 6436, 7612, 8045, 9515, 16090, 17699, 19030, 32180, 35398, 38060, 70796, 88495, 176990, 278357, 353980, 556714, 1113428, 1391785, 2783570, 3061927, 5567140, 6123854, 12247708, 15309635, 30619270, 61238540]

約数ペア:

[(1, 61238540), (2, 30619270), (4, 15309635), (5, 12247708), (10, 6123854), (11, 5567140), (20, 3061927), (22, 2783570), (44, 1391785), (55, 1113428), (110, 556714), (173, 353980), (220, 278357), (346, 176990), (692, 88495), (865, 70796), (1609, 38060), (1730, 35398), (1903, 32180), (3218, 19030), (3460, 17699), (3806, 16090), (6436, 9515), (7612, 8045)]