261901920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3389}}^1$

素因数の和:3437

約数の個数: 192

約数和(自身を含む): 984130560

約数和(自身を除く): 722228640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 138, 140, 160, 161, 168, 184, 210, 224, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 480, 483, 552, 560, 644, 672, 690, 736, 805, 840, 920, 966, 1104, 1120, 1288, 1380, 1610, 1680, 1840, 1932, 2208, 2415, 2576, 2760, 3220, 3360, 3389, 3680, 3864, 4830, 5152, 5520, 6440, 6778, 7728, 9660, 10167, 11040, 12880, 13556, 15456, 16945, 19320, 20334, 23723, 25760, 27112, 33890, 38640, 40668, 47446, 50835, 54224, 67780, 71169, 77280, 77947, 81336, 94892, 101670, 108448, 118615, 135560, 142338, 155894, 162672, 189784, 203340, 233841, 237230, 271120, 284676, 311788, 325344, 355845, 379568, 389735, 406680, 467682, 474460, 542240, 545629, 569352, 623576, 711690, 759136, 779470, 813360, 935364, 948920, 1091258, 1138704, 1169205, 1247152, 1423380, 1558940, 1626720, 1636887, 1870728, 1897840, 2182516, 2277408, 2338410, 2494304, 2728145, 2846760, 3117880, 3273774, 3741456, 3795680, 4365032, 4676820, 5456290, 5693520, 6235760, 6547548, 7482912, 8184435, 8730064, 9353640, 10912580, 11387040, 12471520, 13095096, 16368870, 17460128, 18707280, 21825160, 26190192, 32737740, 37414560, 43650320, 52380384, 65475480, 87300640, 130950960, 261901920]

約数ペア:

[(1, 261901920), (2, 130950960), (3, 87300640), (4, 65475480), (5, 52380384), (6, 43650320), (7, 37414560), (8, 32737740), (10, 26190192), (12, 21825160), (14, 18707280), (15, 17460128), (16, 16368870), (20, 13095096), (21, 12471520), (23, 11387040), (24, 10912580), (28, 9353640), (30, 8730064), (32, 8184435), (35, 7482912), (40, 6547548), (42, 6235760), (46, 5693520), (48, 5456290), (56, 4676820), (60, 4365032), (69, 3795680), (70, 3741456), (80, 3273774), (84, 3117880), (92, 2846760), (96, 2728145), (105, 2494304), (112, 2338410), (115, 2277408), (120, 2182516), (138, 1897840), (140, 1870728), (160, 1636887), (161, 1626720), (168, 1558940), (184, 1423380), (210, 1247152), (224, 1169205), (230, 1138704), (240, 1091258), (276, 948920), (280, 935364), (322, 813360), (336, 779470), (345, 759136), (368, 711690), (420, 623576), (460, 569352), (480, 545629), (483, 542240), (552, 474460), (560, 467682), (644, 406680), (672, 389735), (690, 379568), (736, 355845), (805, 325344), (840, 311788), (920, 284676), (966, 271120), (1104, 237230), (1120, 233841), (1288, 203340), (1380, 189784), (1610, 162672), (1680, 155894), (1840, 142338), (1932, 135560), (2208, 118615), (2415, 108448), (2576, 101670), (2760, 94892), (3220, 81336), (3360, 77947), (3389, 77280), (3680, 71169), (3864, 67780), (4830, 54224), (5152, 50835), (5520, 47446), (6440, 40668), (6778, 38640), (7728, 33890), (9660, 27112), (10167, 25760), (11040, 23723), (12880, 20334), (13556, 19320), (15456, 16945)]