20194771440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{27983}}^1$

素因数の和:28127

約数の個数: 160

約数和(自身を含む): 65291821056

約数和(自身を除く): 45097049616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 97, 120, 124, 155, 186, 194, 240, 248, 291, 310, 372, 388, 465, 485, 496, 582, 620, 744, 776, 930, 970, 1164, 1240, 1455, 1488, 1552, 1860, 1940, 2328, 2480, 2910, 3007, 3720, 3880, 4656, 5820, 6014, 7440, 7760, 9021, 11640, 12028, 15035, 18042, 23280, 24056, 27983, 30070, 36084, 45105, 48112, 55966, 60140, 72168, 83949, 90210, 111932, 120280, 139915, 144336, 167898, 180420, 223864, 240560, 279830, 335796, 360840, 419745, 447728, 559660, 671592, 721680, 839490, 867473, 1119320, 1343184, 1678980, 1734946, 2238640, 2602419, 2714351, 3357960, 3469892, 4337365, 5204838, 5428702, 6715920, 6939784, 8143053, 8674730, 10409676, 10857404, 13012095, 13571755, 13879568, 16286106, 17349460, 20819352, 21714808, 26024190, 27143510, 32572212, 34698920, 40715265, 41638704, 43429616, 52048380, 54287020, 65144424, 69397840, 81430530, 84144881, 104096760, 108574040, 130288848, 162861060, 168289762, 208193520, 217148080, 252434643, 325722120, 336579524, 420724405, 504869286, 651444240, 673159048, 841448810, 1009738572, 1262173215, 1346318096, 1682897620, 2019477144, 2524346430, 3365795240, 4038954288, 5048692860, 6731590480, 10097385720, 20194771440]

約数ペア:

[(1, 20194771440), (2, 10097385720), (3, 6731590480), (4, 5048692860), (5, 4038954288), (6, 3365795240), (8, 2524346430), (10, 2019477144), (12, 1682897620), (15, 1346318096), (16, 1262173215), (20, 1009738572), (24, 841448810), (30, 673159048), (31, 651444240), (40, 504869286), (48, 420724405), (60, 336579524), (62, 325722120), (80, 252434643), (93, 217148080), (97, 208193520), (120, 168289762), (124, 162861060), (155, 130288848), (186, 108574040), (194, 104096760), (240, 84144881), (248, 81430530), (291, 69397840), (310, 65144424), (372, 54287020), (388, 52048380), (465, 43429616), (485, 41638704), (496, 40715265), (582, 34698920), (620, 32572212), (744, 27143510), (776, 26024190), (930, 21714808), (970, 20819352), (1164, 17349460), (1240, 16286106), (1455, 13879568), (1488, 13571755), (1552, 13012095), (1860, 10857404), (1940, 10409676), (2328, 8674730), (2480, 8143053), (2910, 6939784), (3007, 6715920), (3720, 5428702), (3880, 5204838), (4656, 4337365), (5820, 3469892), (6014, 3357960), (7440, 2714351), (7760, 2602419), (9021, 2238640), (11640, 1734946), (12028, 1678980), (15035, 1343184), (18042, 1119320), (23280, 867473), (24056, 839490), (27983, 721680), (30070, 671592), (36084, 559660), (45105, 447728), (48112, 419745), (55966, 360840), (60140, 335796), (72168, 279830), (83949, 240560), (90210, 223864), (111932, 180420), (120280, 167898), (139915, 144336)]