260905716

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 672672000

約数和(自身を除く): 411766284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 199, 237, 316, 398, 461, 474, 597, 711, 796, 922, 948, 1194, 1383, 1422, 1791, 1844, 2388, 2766, 2844, 3582, 4149, 5532, 7164, 8298, 15721, 16596, 31442, 36419, 47163, 62884, 72838, 91739, 94326, 109257, 141489, 145676, 183478, 188652, 218514, 275217, 282978, 327771, 366956, 437028, 550434, 565956, 655542, 825651, 1100868, 1311084, 1651302, 3302604, 7247381, 14494762, 21742143, 28989524, 43484286, 65226429, 86968572, 130452858, 260905716]

約数ペア:

[(1, 260905716), (2, 130452858), (3, 86968572), (4, 65226429), (6, 43484286), (9, 28989524), (12, 21742143), (18, 14494762), (36, 7247381), (79, 3302604), (158, 1651302), (199, 1311084), (237, 1100868), (316, 825651), (398, 655542), (461, 565956), (474, 550434), (597, 437028), (711, 366956), (796, 327771), (922, 282978), (948, 275217), (1194, 218514), (1383, 188652), (1422, 183478), (1791, 145676), (1844, 141489), (2388, 109257), (2766, 94326), (2844, 91739), (3582, 72838), (4149, 62884), (5532, 47163), (7164, 36419), (8298, 31442), (15721, 16596)]