31272480

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 240

約数和(自身を含む): 117089280

約数和(自身を除く): 85816800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 127, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 254, 270, 285, 288, 304, 324, 342, 360, 380, 381, 405, 432, 456, 480, 508, 513, 540, 570, 608, 635, 648, 684, 720, 760, 762, 810, 855, 864, 912, 1016, 1026, 1080, 1140, 1143, 1270, 1296, 1368, 1440, 1520, 1524, 1539, 1620, 1710, 1824, 1905, 2032, 2052, 2160, 2280, 2286, 2413, 2540, 2565, 2592, 2736, 3040, 3048, 3078, 3240, 3420, 3429, 3810, 4064, 4104, 4320, 4560, 4572, 4826, 5080, 5130, 5472, 5715, 6096, 6156, 6480, 6840, 6858, 7239, 7620, 7695, 8208, 9120, 9144, 9652, 10160, 10260, 10287, 11430, 12065, 12192, 12312, 12960, 13680, 13716, 14478, 15240, 15390, 16416, 17145, 18288, 19304, 20320, 20520, 20574, 21717, 22860, 24130, 24624, 27360, 27432, 28956, 30480, 30780, 34290, 36195, 36576, 38608, 41040, 41148, 43434, 45720, 48260, 49248, 51435, 54864, 57912, 60960, 61560, 65151, 68580, 72390, 77216, 82080, 82296, 86868, 91440, 96520, 102870, 108585, 109728, 115824, 123120, 130302, 137160, 144780, 164592, 173736, 182880, 193040, 195453, 205740, 217170, 231648, 246240, 260604, 274320, 289560, 325755, 329184, 347472, 386080, 390906, 411480, 434340, 521208, 548640, 579120, 651510, 694944, 781812, 822960, 868680, 977265, 1042416, 1158240, 1303020, 1563624, 1645920, 1737360, 1954530, 2084832, 2606040, 3127248, 3474720, 3909060, 5212080, 6254496, 7818120, 10424160, 15636240, 31272480]

約数ペア:

[(1, 31272480), (2, 15636240), (3, 10424160), (4, 7818120), (5, 6254496), (6, 5212080), (8, 3909060), (9, 3474720), (10, 3127248), (12, 2606040), (15, 2084832), (16, 1954530), (18, 1737360), (19, 1645920), (20, 1563624), (24, 1303020), (27, 1158240), (30, 1042416), (32, 977265), (36, 868680), (38, 822960), (40, 781812), (45, 694944), (48, 651510), (54, 579120), (57, 548640), (60, 521208), (72, 434340), (76, 411480), (80, 390906), (81, 386080), (90, 347472), (95, 329184), (96, 325755), (108, 289560), (114, 274320), (120, 260604), (127, 246240), (135, 231648), (144, 217170), (152, 205740), (160, 195453), (162, 193040), (171, 182880), (180, 173736), (190, 164592), (216, 144780), (228, 137160), (240, 130302), (254, 123120), (270, 115824), (285, 109728), (288, 108585), (304, 102870), (324, 96520), (342, 91440), (360, 86868), (380, 82296), (381, 82080), (405, 77216), (432, 72390), (456, 68580), (480, 65151), (508, 61560), (513, 60960), (540, 57912), (570, 54864), (608, 51435), (635, 49248), (648, 48260), (684, 45720), (720, 43434), (760, 41148), (762, 41040), (810, 38608), (855, 36576), (864, 36195), (912, 34290), (1016, 30780), (1026, 30480), (1080, 28956), (1140, 27432), (1143, 27360), (1270, 24624), (1296, 24130), (1368, 22860), (1440, 21717), (1520, 20574), (1524, 20520), (1539, 20320), (1620, 19304), (1710, 18288), (1824, 17145), (1905, 16416), (2032, 15390), (2052, 15240), (2160, 14478), (2280, 13716), (2286, 13680), (2413, 12960), (2540, 12312), (2565, 12192), (2592, 12065), (2736, 11430), (3040, 10287), (3048, 10260), (3078, 10160), (3240, 9652), (3420, 9144), (3429, 9120), (3810, 8208), (4064, 7695), (4104, 7620), (4320, 7239), (4560, 6858), (4572, 6840), (4826, 6480), (5080, 6156), (5130, 6096), (5472, 5715)]