390980480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 256

約数和(自身を含む): 1116288000

約数和(自身を除く): 725307520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 37, 38, 40, 44, 55, 64, 74, 76, 79, 80, 88, 95, 110, 128, 148, 152, 158, 160, 176, 185, 190, 209, 220, 296, 304, 316, 320, 352, 370, 380, 395, 407, 418, 440, 592, 608, 632, 640, 703, 704, 740, 760, 790, 814, 836, 869, 880, 1045, 1184, 1216, 1264, 1406, 1408, 1480, 1501, 1520, 1580, 1628, 1672, 1738, 1760, 2035, 2090, 2368, 2432, 2528, 2812, 2923, 2960, 3002, 3040, 3160, 3256, 3344, 3476, 3515, 3520, 4070, 4180, 4345, 4736, 5056, 5624, 5846, 5920, 6004, 6080, 6320, 6512, 6688, 6952, 7030, 7040, 7505, 7733, 8140, 8360, 8690, 10112, 11248, 11692, 11840, 12008, 12160, 12640, 13024, 13376, 13904, 14060, 14615, 15010, 15466, 16280, 16511, 16720, 17380, 22496, 23384, 23680, 24016, 25280, 26048, 26752, 27808, 28120, 29230, 30020, 30932, 32153, 32560, 33022, 33440, 34760, 38665, 44992, 46768, 48032, 50560, 52096, 55537, 55616, 56240, 58460, 60040, 61864, 64306, 65120, 66044, 66880, 69520, 77330, 82555, 89984, 93536, 96064, 111074, 111232, 112480, 116920, 120080, 123728, 128612, 130240, 132088, 133760, 139040, 154660, 160765, 165110, 187072, 192128, 222148, 224960, 233840, 240160, 247456, 257224, 260480, 264176, 277685, 278080, 309320, 321530, 330220, 374144, 444296, 449920, 467680, 480320, 494912, 514448, 528352, 555370, 556160, 610907, 618640, 643060, 660440, 888592, 935360, 960640, 989824, 1028896, 1056704, 1110740, 1221814, 1237280, 1286120, 1320880, 1777184, 1870720, 2057792, 2113408, 2221480, 2443628, 2474560, 2572240, 2641760, 3054535, 3554368, 4115584, 4442960, 4887256, 4949120, 5144480, 5283520, 6109070, 7108736, 8885920, 9774512, 10288960, 10567040, 12218140, 17771840, 19549024, 20577920, 24436280, 35543680, 39098048, 48872560, 78196096, 97745120, 195490240, 390980480]

約数ペア:

[(1, 390980480), (2, 195490240), (4, 97745120), (5, 78196096), (8, 48872560), (10, 39098048), (11, 35543680), (16, 24436280), (19, 20577920), (20, 19549024), (22, 17771840), (32, 12218140), (37, 10567040), (38, 10288960), (40, 9774512), (44, 8885920), (55, 7108736), (64, 6109070), (74, 5283520), (76, 5144480), (79, 4949120), (80, 4887256), (88, 4442960), (95, 4115584), (110, 3554368), (128, 3054535), (148, 2641760), (152, 2572240), (158, 2474560), (160, 2443628), (176, 2221480), (185, 2113408), (190, 2057792), (209, 1870720), (220, 1777184), (296, 1320880), (304, 1286120), (316, 1237280), (320, 1221814), (352, 1110740), (370, 1056704), (380, 1028896), (395, 989824), (407, 960640), (418, 935360), (440, 888592), (592, 660440), (608, 643060), (632, 618640), (640, 610907), (703, 556160), (704, 555370), (740, 528352), (760, 514448), (790, 494912), (814, 480320), (836, 467680), (869, 449920), (880, 444296), (1045, 374144), (1184, 330220), (1216, 321530), (1264, 309320), (1406, 278080), (1408, 277685), (1480, 264176), (1501, 260480), (1520, 257224), (1580, 247456), (1628, 240160), (1672, 233840), (1738, 224960), (1760, 222148), (2035, 192128), (2090, 187072), (2368, 165110), (2432, 160765), (2528, 154660), (2812, 139040), (2923, 133760), (2960, 132088), (3002, 130240), (3040, 128612), (3160, 123728), (3256, 120080), (3344, 116920), (3476, 112480), (3515, 111232), (3520, 111074), (4070, 96064), (4180, 93536), (4345, 89984), (4736, 82555), (5056, 77330), (5624, 69520), (5846, 66880), (5920, 66044), (6004, 65120), (6080, 64306), (6320, 61864), (6512, 60040), (6688, 58460), (6952, 56240), (7030, 55616), (7040, 55537), (7505, 52096), (7733, 50560), (8140, 48032), (8360, 46768), (8690, 44992), (10112, 38665), (11248, 34760), (11692, 33440), (11840, 33022), (12008, 32560), (12160, 32153), (12640, 30932), (13024, 30020), (13376, 29230), (13904, 28120), (14060, 27808), (14615, 26752), (15010, 26048), (15466, 25280), (16280, 24016), (16511, 23680), (16720, 23384), (17380, 22496)]