20160628668

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{919}}^1\times {\mathrm{21013}}^1$

素因数の和:21971

約数の個数: 72

約数和(自身を含む): 52778762400

約数和(自身を除く): 32618133732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 919, 1044, 1838, 2757, 3676, 5514, 8271, 11028, 16542, 21013, 26651, 33084, 42026, 53302, 63039, 79953, 84052, 106604, 126078, 159906, 189117, 239859, 252156, 319812, 378234, 479718, 609377, 756468, 959436, 1218754, 1828131, 2437508, 3656262, 5484393, 7312524, 10968786, 19310947, 21937572, 38621894, 57932841, 77243788, 115865682, 173798523, 231731364, 347597046, 560017463, 695194092, 1120034926, 1680052389, 2240069852, 3360104778, 5040157167, 6720209556, 10080314334, 20160628668]

約数ペア:

[(1, 20160628668), (2, 10080314334), (3, 6720209556), (4, 5040157167), (6, 3360104778), (9, 2240069852), (12, 1680052389), (18, 1120034926), (29, 695194092), (36, 560017463), (58, 347597046), (87, 231731364), (116, 173798523), (174, 115865682), (261, 77243788), (348, 57932841), (522, 38621894), (919, 21937572), (1044, 19310947), (1838, 10968786), (2757, 7312524), (3676, 5484393), (5514, 3656262), (8271, 2437508), (11028, 1828131), (16542, 1218754), (21013, 959436), (26651, 756468), (33084, 609377), (42026, 479718), (53302, 378234), (63039, 319812), (79953, 252156), (84052, 239859), (106604, 189117), (126078, 159906)]