2660287356

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{54779}}^1$

素因数の和:54879

約数の個数: 72

約数和(自身を含む): 7178371200

約数和(自身を除く): 4518083844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 284, 342, 426, 639, 684, 852, 1278, 1349, 2556, 2698, 4047, 5396, 8094, 12141, 16188, 24282, 48564, 54779, 109558, 164337, 219116, 328674, 493011, 657348, 986022, 1040801, 1972044, 2081602, 3122403, 3889309, 4163204, 6244806, 7778618, 9367209, 11667927, 12489612, 15557236, 18734418, 23335854, 35003781, 37468836, 46671708, 70007562, 73896871, 140015124, 147793742, 221690613, 295587484, 443381226, 665071839, 886762452, 1330143678, 2660287356]

約数ペア:

[(1, 2660287356), (2, 1330143678), (3, 886762452), (4, 665071839), (6, 443381226), (9, 295587484), (12, 221690613), (18, 147793742), (19, 140015124), (36, 73896871), (38, 70007562), (57, 46671708), (71, 37468836), (76, 35003781), (114, 23335854), (142, 18734418), (171, 15557236), (213, 12489612), (228, 11667927), (284, 9367209), (342, 7778618), (426, 6244806), (639, 4163204), (684, 3889309), (852, 3122403), (1278, 2081602), (1349, 1972044), (2556, 1040801), (2698, 986022), (4047, 657348), (5396, 493011), (8094, 328674), (12141, 219116), (16188, 164337), (24282, 109558), (48564, 54779)]