261940560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6779}}^1$

素因数の和:6825

約数の個数: 160

約数和(自身を含む): 968509440

約数和(自身を除く): 706568880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2415, 2576, 2760, 3220, 3864, 4830, 5520, 6440, 6779, 7728, 9660, 12880, 13558, 19320, 20337, 27116, 33895, 38640, 40674, 47453, 54232, 67790, 81348, 94906, 101685, 108464, 135580, 142359, 155917, 162696, 189812, 203370, 237265, 271160, 284718, 311834, 325392, 379624, 406740, 467751, 474530, 542320, 569436, 623668, 711795, 759248, 779585, 813480, 935502, 949060, 1091419, 1138872, 1247336, 1423590, 1559170, 1626960, 1871004, 1898120, 2182838, 2277744, 2338755, 2494672, 2847180, 3118340, 3274257, 3742008, 3796240, 4365676, 4677510, 5457095, 5694360, 6236680, 6548514, 7484016, 8731352, 9355020, 10914190, 11388720, 12473360, 13097028, 16371285, 17462704, 18710040, 21828380, 26194056, 32742570, 37420080, 43656760, 52388112, 65485140, 87313520, 130970280, 261940560]

約数ペア:

[(1, 261940560), (2, 130970280), (3, 87313520), (4, 65485140), (5, 52388112), (6, 43656760), (7, 37420080), (8, 32742570), (10, 26194056), (12, 21828380), (14, 18710040), (15, 17462704), (16, 16371285), (20, 13097028), (21, 12473360), (23, 11388720), (24, 10914190), (28, 9355020), (30, 8731352), (35, 7484016), (40, 6548514), (42, 6236680), (46, 5694360), (48, 5457095), (56, 4677510), (60, 4365676), (69, 3796240), (70, 3742008), (80, 3274257), (84, 3118340), (92, 2847180), (105, 2494672), (112, 2338755), (115, 2277744), (120, 2182838), (138, 1898120), (140, 1871004), (161, 1626960), (168, 1559170), (184, 1423590), (210, 1247336), (230, 1138872), (240, 1091419), (276, 949060), (280, 935502), (322, 813480), (336, 779585), (345, 759248), (368, 711795), (420, 623668), (460, 569436), (483, 542320), (552, 474530), (560, 467751), (644, 406740), (690, 379624), (805, 325392), (840, 311834), (920, 284718), (966, 271160), (1104, 237265), (1288, 203370), (1380, 189812), (1610, 162696), (1680, 155917), (1840, 142359), (1932, 135580), (2415, 108464), (2576, 101685), (2760, 94906), (3220, 81348), (3864, 67790), (4830, 54232), (5520, 47453), (6440, 40674), (6779, 38640), (7728, 33895), (9660, 27116), (12880, 20337), (13558, 19320)]