81773280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:870

約数の個数: 192

約数和(自身を含む): 299013120

約数和(自身を除く): 217239840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 207, 216, 230, 240, 270, 276, 288, 345, 360, 368, 414, 432, 460, 480, 540, 552, 621, 690, 720, 736, 823, 828, 864, 920, 1035, 1080, 1104, 1242, 1380, 1440, 1646, 1656, 1840, 2070, 2160, 2208, 2469, 2484, 2760, 3105, 3292, 3312, 3680, 4115, 4140, 4320, 4938, 4968, 5520, 6210, 6584, 6624, 7407, 8230, 8280, 9876, 9936, 11040, 12345, 12420, 13168, 14814, 16460, 16560, 18929, 19752, 19872, 22221, 24690, 24840, 26336, 29628, 32920, 33120, 37035, 37858, 39504, 44442, 49380, 49680, 56787, 59256, 65840, 74070, 75716, 79008, 88884, 94645, 98760, 99360, 111105, 113574, 118512, 131680, 148140, 151432, 170361, 177768, 189290, 197520, 222210, 227148, 237024, 283935, 296280, 302864, 340722, 355536, 378580, 395040, 444420, 454296, 511083, 567870, 592560, 605728, 681444, 711072, 757160, 851805, 888840, 908592, 1022166, 1135740, 1185120, 1362888, 1514320, 1703610, 1777680, 1817184, 2044332, 2271480, 2555415, 2725776, 3028640, 3407220, 3555360, 4088664, 4542960, 5110830, 5451552, 6814440, 8177328, 9085920, 10221660, 13628880, 16354656, 20443320, 27257760, 40886640, 81773280]

約数ペア:

[(1, 81773280), (2, 40886640), (3, 27257760), (4, 20443320), (5, 16354656), (6, 13628880), (8, 10221660), (9, 9085920), (10, 8177328), (12, 6814440), (15, 5451552), (16, 5110830), (18, 4542960), (20, 4088664), (23, 3555360), (24, 3407220), (27, 3028640), (30, 2725776), (32, 2555415), (36, 2271480), (40, 2044332), (45, 1817184), (46, 1777680), (48, 1703610), (54, 1514320), (60, 1362888), (69, 1185120), (72, 1135740), (80, 1022166), (90, 908592), (92, 888840), (96, 851805), (108, 757160), (115, 711072), (120, 681444), (135, 605728), (138, 592560), (144, 567870), (160, 511083), (180, 454296), (184, 444420), (207, 395040), (216, 378580), (230, 355536), (240, 340722), (270, 302864), (276, 296280), (288, 283935), (345, 237024), (360, 227148), (368, 222210), (414, 197520), (432, 189290), (460, 177768), (480, 170361), (540, 151432), (552, 148140), (621, 131680), (690, 118512), (720, 113574), (736, 111105), (823, 99360), (828, 98760), (864, 94645), (920, 88884), (1035, 79008), (1080, 75716), (1104, 74070), (1242, 65840), (1380, 59256), (1440, 56787), (1646, 49680), (1656, 49380), (1840, 44442), (2070, 39504), (2160, 37858), (2208, 37035), (2469, 33120), (2484, 32920), (2760, 29628), (3105, 26336), (3292, 24840), (3312, 24690), (3680, 22221), (4115, 19872), (4140, 19752), (4320, 18929), (4938, 16560), (4968, 16460), (5520, 14814), (6210, 13168), (6584, 12420), (6624, 12345), (7407, 11040), (8230, 9936), (8280, 9876)]