81435480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3343}}^1$

素因数の和:3393

約数の個数: 128

約数和(自身を含む): 288921600

約数和(自身を除く): 207486120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1624, 1740, 2030, 2436, 3045, 3343, 3480, 4060, 4872, 6090, 6686, 8120, 10029, 12180, 13372, 16715, 20058, 23401, 24360, 26744, 33430, 40116, 46802, 50145, 66860, 70203, 80232, 93604, 96947, 100290, 117005, 133720, 140406, 187208, 193894, 200580, 234010, 280812, 290841, 351015, 387788, 401160, 468020, 484735, 561624, 581682, 678629, 702030, 775576, 936040, 969470, 1163364, 1357258, 1404060, 1454205, 1938940, 2035887, 2326728, 2714516, 2808120, 2908410, 3393145, 3877880, 4071774, 5429032, 5816820, 6786290, 8143548, 10179435, 11633640, 13572580, 16287096, 20358870, 27145160, 40717740, 81435480]

約数ペア:

[(1, 81435480), (2, 40717740), (3, 27145160), (4, 20358870), (5, 16287096), (6, 13572580), (7, 11633640), (8, 10179435), (10, 8143548), (12, 6786290), (14, 5816820), (15, 5429032), (20, 4071774), (21, 3877880), (24, 3393145), (28, 2908410), (29, 2808120), (30, 2714516), (35, 2326728), (40, 2035887), (42, 1938940), (56, 1454205), (58, 1404060), (60, 1357258), (70, 1163364), (84, 969470), (87, 936040), (105, 775576), (116, 702030), (120, 678629), (140, 581682), (145, 561624), (168, 484735), (174, 468020), (203, 401160), (210, 387788), (232, 351015), (280, 290841), (290, 280812), (348, 234010), (406, 200580), (420, 193894), (435, 187208), (580, 140406), (609, 133720), (696, 117005), (812, 100290), (840, 96947), (870, 93604), (1015, 80232), (1160, 70203), (1218, 66860), (1624, 50145), (1740, 46802), (2030, 40116), (2436, 33430), (3045, 26744), (3343, 24360), (3480, 23401), (4060, 20058), (4872, 16715), (6090, 13372), (6686, 12180), (8120, 10029)]