645858864

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{640733}}^1$

素因数の和:640754

約数の個数: 60

約数和(自身を含む): 2065726416

約数和(自身を除く): 1419867552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 640733, 1281466, 1922199, 2562932, 3844398, 4485131, 5125864, 5766597, 7688796, 8970262, 10251728, 11533194, 13455393, 15377592, 17940524, 23066388, 26910786, 30755184, 35881048, 40366179, 46132776, 53821572, 71762096, 80732358, 92265552, 107643144, 161464716, 215286288, 322929432, 645858864]

約数ペア:

[(1, 645858864), (2, 322929432), (3, 215286288), (4, 161464716), (6, 107643144), (7, 92265552), (8, 80732358), (9, 71762096), (12, 53821572), (14, 46132776), (16, 40366179), (18, 35881048), (21, 30755184), (24, 26910786), (28, 23066388), (36, 17940524), (42, 15377592), (48, 13455393), (56, 11533194), (63, 10251728), (72, 8970262), (84, 7688796), (112, 5766597), (126, 5125864), (144, 4485131), (168, 3844398), (252, 2562932), (336, 1922199), (504, 1281466), (1008, 640733)]