28995120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1$

素因数の和:560

約数の個数: 240

約数和(自身を含む): 121635072

約数和(自身を除く): 92639952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 523, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1046, 1155, 1232, 1260, 1320, 1386, 1540, 1569, 1584, 1680, 1848, 1980, 2092, 2310, 2520, 2615, 2640, 2772, 3080, 3138, 3465, 3661, 3696, 3960, 4184, 4620, 4707, 5040, 5230, 5544, 5753, 6160, 6276, 6930, 7322, 7845, 7920, 8368, 9240, 9414, 10460, 10983, 11088, 11506, 12552, 13860, 14644, 15690, 17259, 18305, 18480, 18828, 20920, 21966, 23012, 23535, 25104, 27720, 28765, 29288, 31380, 32949, 34518, 36610, 37656, 40271, 41840, 43932, 46024, 47070, 51777, 54915, 55440, 57530, 58576, 62760, 65898, 69036, 73220, 75312, 80542, 86295, 87864, 92048, 94140, 103554, 109830, 115060, 120813, 125520, 131796, 138072, 146440, 161084, 164745, 172590, 175728, 188280, 201355, 207108, 219660, 230120, 241626, 258885, 263592, 276144, 292880, 322168, 329490, 345180, 362439, 376560, 402710, 414216, 439320, 460240, 483252, 517770, 527184, 604065, 644336, 658980, 690360, 724878, 805420, 828432, 878640, 966504, 1035540, 1208130, 1317960, 1380720, 1449756, 1610840, 1812195, 1933008, 2071080, 2416260, 2635920, 2899512, 3221680, 3624390, 4142160, 4832520, 5799024, 7248780, 9665040, 14497560, 28995120]

約数ペア:

[(1, 28995120), (2, 14497560), (3, 9665040), (4, 7248780), (5, 5799024), (6, 4832520), (7, 4142160), (8, 3624390), (9, 3221680), (10, 2899512), (11, 2635920), (12, 2416260), (14, 2071080), (15, 1933008), (16, 1812195), (18, 1610840), (20, 1449756), (21, 1380720), (22, 1317960), (24, 1208130), (28, 1035540), (30, 966504), (33, 878640), (35, 828432), (36, 805420), (40, 724878), (42, 690360), (44, 658980), (45, 644336), (48, 604065), (55, 527184), (56, 517770), (60, 483252), (63, 460240), (66, 439320), (70, 414216), (72, 402710), (77, 376560), (80, 362439), (84, 345180), (88, 329490), (90, 322168), (99, 292880), (105, 276144), (110, 263592), (112, 258885), (120, 241626), (126, 230120), (132, 219660), (140, 207108), (144, 201355), (154, 188280), (165, 175728), (168, 172590), (176, 164745), (180, 161084), (198, 146440), (210, 138072), (220, 131796), (231, 125520), (240, 120813), (252, 115060), (264, 109830), (280, 103554), (308, 94140), (315, 92048), (330, 87864), (336, 86295), (360, 80542), (385, 75312), (396, 73220), (420, 69036), (440, 65898), (462, 62760), (495, 58576), (504, 57530), (523, 55440), (528, 54915), (560, 51777), (616, 47070), (630, 46024), (660, 43932), (693, 41840), (720, 40271), (770, 37656), (792, 36610), (840, 34518), (880, 32949), (924, 31380), (990, 29288), (1008, 28765), (1046, 27720), (1155, 25104), (1232, 23535), (1260, 23012), (1320, 21966), (1386, 20920), (1540, 18828), (1569, 18480), (1584, 18305), (1680, 17259), (1848, 15690), (1980, 14644), (2092, 13860), (2310, 12552), (2520, 11506), (2615, 11088), (2640, 10983), (2772, 10460), (3080, 9414), (3138, 9240), (3465, 8368), (3661, 7920), (3696, 7845), (3960, 7322), (4184, 6930), (4620, 6276), (4707, 6160), (5040, 5753), (5230, 5544)]