71485920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4513}}^1$

素因数の和:4545

約数の個数: 144

約数和(自身を含む): 266181552

約数和(自身を除く): 194695632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 4513, 5280, 7920, 9026, 13539, 15840, 18052, 22565, 27078, 36104, 40617, 45130, 49643, 54156, 67695, 72208, 81234, 90260, 99286, 108312, 135390, 144416, 148929, 162468, 180520, 198572, 203085, 216624, 248215, 270780, 297858, 324936, 361040, 397144, 406170, 433248, 446787, 496430, 541560, 595716, 649872, 722080, 744645, 794288, 812340, 893574, 992860, 1083120, 1191432, 1299744, 1489290, 1588576, 1624680, 1787148, 1985720, 2166240, 2233935, 2382864, 2978580, 3249360, 3574296, 3971440, 4467870, 4765728, 5957160, 6498720, 7148592, 7942880, 8935740, 11914320, 14297184, 17871480, 23828640, 35742960, 71485920]

約数ペア:

[(1, 71485920), (2, 35742960), (3, 23828640), (4, 17871480), (5, 14297184), (6, 11914320), (8, 8935740), (9, 7942880), (10, 7148592), (11, 6498720), (12, 5957160), (15, 4765728), (16, 4467870), (18, 3971440), (20, 3574296), (22, 3249360), (24, 2978580), (30, 2382864), (32, 2233935), (33, 2166240), (36, 1985720), (40, 1787148), (44, 1624680), (45, 1588576), (48, 1489290), (55, 1299744), (60, 1191432), (66, 1083120), (72, 992860), (80, 893574), (88, 812340), (90, 794288), (96, 744645), (99, 722080), (110, 649872), (120, 595716), (132, 541560), (144, 496430), (160, 446787), (165, 433248), (176, 406170), (180, 397144), (198, 361040), (220, 324936), (240, 297858), (264, 270780), (288, 248215), (330, 216624), (352, 203085), (360, 198572), (396, 180520), (440, 162468), (480, 148929), (495, 144416), (528, 135390), (660, 108312), (720, 99286), (792, 90260), (880, 81234), (990, 72208), (1056, 67695), (1320, 54156), (1440, 49643), (1584, 45130), (1760, 40617), (1980, 36104), (2640, 27078), (3168, 22565), (3960, 18052), (4513, 15840), (5280, 13539), (7920, 9026)]