129285540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2731}}^1$

素因数の和:3009

約数の個数: 72

約数和(自身を含む): 393801408

約数和(自身を除く): 264515868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1578, 2367, 2630, 2731, 3156, 3945, 4734, 5260, 5462, 7890, 8193, 9468, 10924, 11835, 13655, 15780, 16386, 23670, 24579, 27310, 32772, 40965, 47340, 49158, 54620, 81930, 98316, 122895, 163860, 245790, 491580, 718253, 1436506, 2154759, 2873012, 3591265, 4309518, 6464277, 7182530, 8619036, 10773795, 12928554, 14365060, 21547590, 25857108, 32321385, 43095180, 64642770, 129285540]

約数ペア:

[(1, 129285540), (2, 64642770), (3, 43095180), (4, 32321385), (5, 25857108), (6, 21547590), (9, 14365060), (10, 12928554), (12, 10773795), (15, 8619036), (18, 7182530), (20, 6464277), (30, 4309518), (36, 3591265), (45, 2873012), (60, 2154759), (90, 1436506), (180, 718253), (263, 491580), (526, 245790), (789, 163860), (1052, 122895), (1315, 98316), (1578, 81930), (2367, 54620), (2630, 49158), (2731, 47340), (3156, 40965), (3945, 32772), (4734, 27310), (5260, 24579), (5462, 23670), (7890, 16386), (8193, 15780), (9468, 13655), (10924, 11835)]