261784512

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:631

約数の個数: 168

約数和(自身を含む): 830519040

約数和(自身を除く): 568734528

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 79, 88, 96, 99, 132, 144, 158, 176, 192, 198, 237, 264, 288, 316, 352, 396, 474, 523, 528, 576, 632, 704, 711, 792, 869, 948, 1046, 1056, 1264, 1422, 1569, 1584, 1738, 1896, 2092, 2112, 2528, 2607, 2844, 3138, 3168, 3476, 3792, 4184, 4707, 5056, 5214, 5688, 5753, 6276, 6336, 6952, 7584, 7821, 8368, 9414, 10428, 11376, 11506, 12552, 13904, 15168, 15642, 16736, 17259, 18828, 20856, 22752, 23012, 25104, 27808, 31284, 33472, 34518, 37656, 41317, 41712, 45504, 46024, 50208, 51777, 55616, 62568, 69036, 75312, 82634, 83424, 92048, 100416, 103554, 123951, 125136, 138072, 150624, 165268, 166848, 184096, 207108, 247902, 250272, 276144, 301248, 330536, 368192, 371853, 414216, 454487, 495804, 500544, 552288, 661072, 743706, 828432, 908974, 991608, 1104576, 1322144, 1363461, 1487412, 1656864, 1817948, 1983216, 2644288, 2726922, 2974824, 3313728, 3635896, 3966432, 4090383, 5453844, 5949648, 7271792, 7932864, 8180766, 10907688, 11899296, 14543584, 16361532, 21815376, 23798592, 29087168, 32723064, 43630752, 65446128, 87261504, 130892256, 261784512]

約数ペア:

[(1, 261784512), (2, 130892256), (3, 87261504), (4, 65446128), (6, 43630752), (8, 32723064), (9, 29087168), (11, 23798592), (12, 21815376), (16, 16361532), (18, 14543584), (22, 11899296), (24, 10907688), (32, 8180766), (33, 7932864), (36, 7271792), (44, 5949648), (48, 5453844), (64, 4090383), (66, 3966432), (72, 3635896), (79, 3313728), (88, 2974824), (96, 2726922), (99, 2644288), (132, 1983216), (144, 1817948), (158, 1656864), (176, 1487412), (192, 1363461), (198, 1322144), (237, 1104576), (264, 991608), (288, 908974), (316, 828432), (352, 743706), (396, 661072), (474, 552288), (523, 500544), (528, 495804), (576, 454487), (632, 414216), (704, 371853), (711, 368192), (792, 330536), (869, 301248), (948, 276144), (1046, 250272), (1056, 247902), (1264, 207108), (1422, 184096), (1569, 166848), (1584, 165268), (1738, 150624), (1896, 138072), (2092, 125136), (2112, 123951), (2528, 103554), (2607, 100416), (2844, 92048), (3138, 83424), (3168, 82634), (3476, 75312), (3792, 69036), (4184, 62568), (4707, 55616), (5056, 51777), (5214, 50208), (5688, 46024), (5753, 45504), (6276, 41712), (6336, 41317), (6952, 37656), (7584, 34518), (7821, 33472), (8368, 31284), (9414, 27808), (10428, 25104), (11376, 23012), (11506, 22752), (12552, 20856), (13904, 18828), (15168, 17259), (15642, 16736)]