261531936

素因数分解:

$2^5\times 3^3\times {\mathrm{421}}^1\times {\mathrm{719}}^1$

素因数の和:1159

約数の個数: 96

約数和(自身を含む): 765676800

約数和(自身を除く): 504144864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 421, 432, 719, 842, 864, 1263, 1438, 1684, 2157, 2526, 2876, 3368, 3789, 4314, 5052, 5752, 6471, 6736, 7578, 8628, 10104, 11367, 11504, 12942, 13472, 15156, 17256, 19413, 20208, 22734, 23008, 25884, 30312, 34512, 38826, 40416, 45468, 51768, 60624, 69024, 77652, 90936, 103536, 121248, 155304, 181872, 207072, 302699, 310608, 363744, 605398, 621216, 908097, 1210796, 1816194, 2421592, 2724291, 3632388, 4843184, 5448582, 7264776, 8172873, 9686368, 10897164, 14529552, 16345746, 21794328, 29059104, 32691492, 43588656, 65382984, 87177312, 130765968, 261531936]

約数ペア:

[(1, 261531936), (2, 130765968), (3, 87177312), (4, 65382984), (6, 43588656), (8, 32691492), (9, 29059104), (12, 21794328), (16, 16345746), (18, 14529552), (24, 10897164), (27, 9686368), (32, 8172873), (36, 7264776), (48, 5448582), (54, 4843184), (72, 3632388), (96, 2724291), (108, 2421592), (144, 1816194), (216, 1210796), (288, 908097), (421, 621216), (432, 605398), (719, 363744), (842, 310608), (864, 302699), (1263, 207072), (1438, 181872), (1684, 155304), (2157, 121248), (2526, 103536), (2876, 90936), (3368, 77652), (3789, 69024), (4314, 60624), (5052, 51768), (5752, 45468), (6471, 40416), (6736, 38826), (7578, 34512), (8628, 30312), (10104, 25884), (11367, 23008), (11504, 22734), (12942, 20208), (13472, 19413), (15156, 17256)]