180865260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2531}}^1$

素因数の和:2943

約数の個数: 72

約数和(自身を含む): 550223856

約数和(自身を除く): 369358596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1191, 1588, 1985, 2382, 2531, 3573, 3970, 4764, 5062, 5955, 7146, 7593, 7940, 10124, 11910, 12655, 14292, 15186, 17865, 22779, 23820, 25310, 30372, 35730, 37965, 45558, 50620, 71460, 75930, 91116, 113895, 151860, 227790, 455580, 1004807, 2009614, 3014421, 4019228, 5024035, 6028842, 9043263, 10048070, 12057684, 15072105, 18086526, 20096140, 30144210, 36173052, 45216315, 60288420, 90432630, 180865260]

約数ペア:

[(1, 180865260), (2, 90432630), (3, 60288420), (4, 45216315), (5, 36173052), (6, 30144210), (9, 20096140), (10, 18086526), (12, 15072105), (15, 12057684), (18, 10048070), (20, 9043263), (30, 6028842), (36, 5024035), (45, 4019228), (60, 3014421), (90, 2009614), (180, 1004807), (397, 455580), (794, 227790), (1191, 151860), (1588, 113895), (1985, 91116), (2382, 75930), (2531, 71460), (3573, 50620), (3970, 45558), (4764, 37965), (5062, 35730), (5955, 30372), (7146, 25310), (7593, 23820), (7940, 22779), (10124, 17865), (11910, 15186), (12655, 14292)]