642906768

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61723}}^1$

素因数の和:61772

約数の個数: 80

約数和(自身を含む): 1959366656

約数和(自身を除く): 1316459888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 61723, 123446, 185169, 246892, 370338, 432061, 493784, 740676, 864122, 987568, 1296183, 1481352, 1728244, 1913413, 2592366, 2962704, 3456488, 3826826, 5184732, 5740239, 6912976, 7653652, 10369464, 11480478, 13393891, 15307304, 20738928, 22960956, 26787782, 30614608, 40181673, 45921912, 53575564, 80363346, 91843824, 107151128, 160726692, 214302256, 321453384, 642906768]

約数ペア:

[(1, 642906768), (2, 321453384), (3, 214302256), (4, 160726692), (6, 107151128), (7, 91843824), (8, 80363346), (12, 53575564), (14, 45921912), (16, 40181673), (21, 30614608), (24, 26787782), (28, 22960956), (31, 20738928), (42, 15307304), (48, 13393891), (56, 11480478), (62, 10369464), (84, 7653652), (93, 6912976), (112, 5740239), (124, 5184732), (168, 3826826), (186, 3456488), (217, 2962704), (248, 2592366), (336, 1913413), (372, 1728244), (434, 1481352), (496, 1296183), (651, 987568), (744, 864122), (868, 740676), (1302, 493784), (1488, 432061), (1736, 370338), (2604, 246892), (3472, 185169), (5208, 123446), (10416, 61723)]