1289247840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3267

約数の個数: 240

約数和(自身を含む): 4698207360

約数和(自身を除く): 3408959520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 620, 648, 720, 744, 810, 837, 864, 930, 992, 1080, 1116, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2592, 2790, 2976, 3209, 3240, 3348, 3720, 4185, 4320, 4464, 4960, 5022, 5580, 6418, 6480, 6696, 7440, 8370, 8928, 9627, 10044, 11160, 12555, 12836, 12960, 13392, 14880, 16045, 16740, 19254, 20088, 22320, 25110, 25672, 26784, 28881, 32090, 33480, 38508, 40176, 44640, 48135, 50220, 51344, 57762, 64180, 66960, 77016, 80352, 86643, 96270, 99479, 100440, 102688, 115524, 128360, 133920, 144405, 154032, 173286, 192540, 198958, 200880, 231048, 256720, 259929, 288810, 298437, 308064, 346572, 385080, 397916, 401760, 433215, 462096, 497395, 513440, 519858, 577620, 596874, 693144, 770160, 795832, 866430, 895311, 924192, 994790, 1039716, 1155240, 1193748, 1299645, 1386288, 1492185, 1540320, 1591664, 1732860, 1790622, 1989580, 2079432, 2310480, 2387496, 2599290, 2685933, 2772576, 2984370, 3183328, 3465720, 3581244, 3979160, 4158864, 4476555, 4620960, 4774992, 5198580, 5371866, 5968740, 6931440, 7162488, 7958320, 8057799, 8317728, 8953110, 9549984, 10397160, 10743732, 11937480, 13429665, 13862880, 14324976, 15916640, 16115598, 17906220, 20794320, 21487464, 23874960, 26859330, 28649952, 32231196, 35812440, 40288995, 41588640, 42974928, 47749920, 53718660, 64462392, 71624880, 80577990, 85949856, 107437320, 128924784, 143249760, 161155980, 214874640, 257849568, 322311960, 429749280, 644623920, 1289247840]

約数ペア:

[(1, 1289247840), (2, 644623920), (3, 429749280), (4, 322311960), (5, 257849568), (6, 214874640), (8, 161155980), (9, 143249760), (10, 128924784), (12, 107437320), (15, 85949856), (16, 80577990), (18, 71624880), (20, 64462392), (24, 53718660), (27, 47749920), (30, 42974928), (31, 41588640), (32, 40288995), (36, 35812440), (40, 32231196), (45, 28649952), (48, 26859330), (54, 23874960), (60, 21487464), (62, 20794320), (72, 17906220), (80, 16115598), (81, 15916640), (90, 14324976), (93, 13862880), (96, 13429665), (108, 11937480), (120, 10743732), (124, 10397160), (135, 9549984), (144, 8953110), (155, 8317728), (160, 8057799), (162, 7958320), (180, 7162488), (186, 6931440), (216, 5968740), (240, 5371866), (248, 5198580), (270, 4774992), (279, 4620960), (288, 4476555), (310, 4158864), (324, 3979160), (360, 3581244), (372, 3465720), (405, 3183328), (432, 2984370), (465, 2772576), (480, 2685933), (496, 2599290), (540, 2387496), (558, 2310480), (620, 2079432), (648, 1989580), (720, 1790622), (744, 1732860), (810, 1591664), (837, 1540320), (864, 1492185), (930, 1386288), (992, 1299645), (1080, 1193748), (1116, 1155240), (1240, 1039716), (1296, 994790), (1395, 924192), (1440, 895311), (1488, 866430), (1620, 795832), (1674, 770160), (1860, 693144), (2160, 596874), (2232, 577620), (2480, 519858), (2511, 513440), (2592, 497395), (2790, 462096), (2976, 433215), (3209, 401760), (3240, 397916), (3348, 385080), (3720, 346572), (4185, 308064), (4320, 298437), (4464, 288810), (4960, 259929), (5022, 256720), (5580, 231048), (6418, 200880), (6480, 198958), (6696, 192540), (7440, 173286), (8370, 154032), (8928, 144405), (9627, 133920), (10044, 128360), (11160, 115524), (12555, 102688), (12836, 100440), (12960, 99479), (13392, 96270), (14880, 86643), (16045, 80352), (16740, 77016), (19254, 66960), (20088, 64180), (22320, 57762), (25110, 51344), (25672, 50220), (26784, 48135), (28881, 44640), (32090, 40176), (33480, 38508)]