664756680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{791377}}^1$

素因数の和:791398

約数の個数: 64

約数和(自身を含む): 2279168640

約数和(自身を除く): 1614411960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 791377, 1582754, 2374131, 3165508, 3956885, 4748262, 5539639, 6331016, 7913770, 9496524, 11079278, 11870655, 15827540, 16618917, 18993048, 22158556, 23741310, 27698195, 31655080, 33237834, 44317112, 47482620, 55396390, 66475668, 83094585, 94965240, 110792780, 132951336, 166189170, 221585560, 332378340, 664756680]

約数ペア:

[(1, 664756680), (2, 332378340), (3, 221585560), (4, 166189170), (5, 132951336), (6, 110792780), (7, 94965240), (8, 83094585), (10, 66475668), (12, 55396390), (14, 47482620), (15, 44317112), (20, 33237834), (21, 31655080), (24, 27698195), (28, 23741310), (30, 22158556), (35, 18993048), (40, 16618917), (42, 15827540), (56, 11870655), (60, 11079278), (70, 9496524), (84, 7913770), (105, 6331016), (120, 5539639), (140, 4748262), (168, 3956885), (210, 3165508), (280, 2374131), (420, 1582754), (840, 791377)]