2855015680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 216

約数和(自身を含む): 7745304672

約数和(自身を除く): 4890288992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 211, 220, 248, 256, 310, 320, 341, 352, 422, 440, 496, 620, 640, 682, 704, 844, 880, 961, 992, 1055, 1240, 1280, 1364, 1408, 1688, 1705, 1760, 1922, 1984, 2110, 2321, 2480, 2728, 2816, 3376, 3410, 3520, 3844, 3968, 4220, 4642, 4805, 4960, 5456, 6541, 6752, 6820, 7040, 7688, 7936, 8440, 9284, 9610, 9920, 10571, 10912, 11605, 13082, 13504, 13640, 14080, 15376, 16880, 18568, 19220, 19840, 21142, 21824, 23210, 26164, 27008, 27280, 30752, 32705, 33760, 37136, 38440, 39680, 42284, 43648, 46420, 52328, 52855, 54016, 54560, 61504, 65410, 67520, 71951, 74272, 76880, 84568, 87296, 92840, 104656, 105710, 109120, 123008, 130820, 135040, 143902, 148544, 153760, 169136, 185680, 202771, 209312, 211420, 218240, 246016, 261640, 270080, 287804, 297088, 307520, 338272, 359755, 371360, 405542, 418624, 422840, 436480, 523280, 575608, 594176, 615040, 676544, 719510, 742720, 811084, 837248, 845680, 1013855, 1046560, 1151216, 1230080, 1353088, 1439020, 1485440, 1622168, 1674496, 1691360, 2027710, 2093120, 2230481, 2302432, 2706176, 2878040, 2970880, 3244336, 3382720, 4055420, 4186240, 4460962, 4604864, 5756080, 6488672, 6765440, 8110840, 8372480, 8921924, 9209728, 11152405, 11512160, 12977344, 13530880, 16221680, 17843848, 18419456, 22304810, 23024320, 25954688, 32443360, 35687696, 44609620, 46048640, 51909376, 64886720, 71375392, 89219240, 92097280, 129773440, 142750784, 178438480, 259546880, 285501568, 356876960, 571003136, 713753920, 1427507840, 2855015680]

約数ペア:

[(1, 2855015680), (2, 1427507840), (4, 713753920), (5, 571003136), (8, 356876960), (10, 285501568), (11, 259546880), (16, 178438480), (20, 142750784), (22, 129773440), (31, 92097280), (32, 89219240), (40, 71375392), (44, 64886720), (55, 51909376), (62, 46048640), (64, 44609620), (80, 35687696), (88, 32443360), (110, 25954688), (124, 23024320), (128, 22304810), (155, 18419456), (160, 17843848), (176, 16221680), (211, 13530880), (220, 12977344), (248, 11512160), (256, 11152405), (310, 9209728), (320, 8921924), (341, 8372480), (352, 8110840), (422, 6765440), (440, 6488672), (496, 5756080), (620, 4604864), (640, 4460962), (682, 4186240), (704, 4055420), (844, 3382720), (880, 3244336), (961, 2970880), (992, 2878040), (1055, 2706176), (1240, 2302432), (1280, 2230481), (1364, 2093120), (1408, 2027710), (1688, 1691360), (1705, 1674496), (1760, 1622168), (1922, 1485440), (1984, 1439020), (2110, 1353088), (2321, 1230080), (2480, 1151216), (2728, 1046560), (2816, 1013855), (3376, 845680), (3410, 837248), (3520, 811084), (3844, 742720), (3968, 719510), (4220, 676544), (4642, 615040), (4805, 594176), (4960, 575608), (5456, 523280), (6541, 436480), (6752, 422840), (6820, 418624), (7040, 405542), (7688, 371360), (7936, 359755), (8440, 338272), (9284, 307520), (9610, 297088), (9920, 287804), (10571, 270080), (10912, 261640), (11605, 246016), (13082, 218240), (13504, 211420), (13640, 209312), (14080, 202771), (15376, 185680), (16880, 169136), (18568, 153760), (19220, 148544), (19840, 143902), (21142, 135040), (21824, 130820), (23210, 123008), (26164, 109120), (27008, 105710), (27280, 104656), (30752, 92840), (32705, 87296), (33760, 84568), (37136, 76880), (38440, 74272), (39680, 71951), (42284, 67520), (43648, 65410), (46420, 61504), (52328, 54560), (52855, 54016)]