281214720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 288

約数和(自身を含む): 1020364800

約数和(自身を除く): 739150080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 79, 80, 90, 96, 103, 108, 120, 128, 135, 144, 158, 160, 180, 192, 206, 216, 237, 240, 256, 270, 288, 309, 316, 320, 360, 384, 395, 412, 432, 474, 480, 515, 540, 576, 618, 632, 640, 711, 720, 768, 790, 824, 864, 927, 948, 960, 1030, 1080, 1152, 1185, 1236, 1264, 1280, 1422, 1440, 1545, 1580, 1648, 1728, 1854, 1896, 1920, 2060, 2133, 2160, 2304, 2370, 2472, 2528, 2781, 2844, 2880, 3090, 3160, 3296, 3456, 3555, 3708, 3792, 3840, 4120, 4266, 4320, 4635, 4740, 4944, 5056, 5562, 5688, 5760, 6180, 6320, 6592, 6912, 7110, 7416, 7584, 8137, 8240, 8532, 8640, 9270, 9480, 9888, 10112, 10665, 11124, 11376, 11520, 12360, 12640, 13184, 13905, 14220, 14832, 15168, 16274, 16480, 17064, 17280, 18540, 18960, 19776, 20224, 21330, 22248, 22752, 24411, 24720, 25280, 26368, 27810, 28440, 29664, 30336, 32548, 32960, 34128, 34560, 37080, 37920, 39552, 40685, 42660, 44496, 45504, 48822, 49440, 50560, 55620, 56880, 59328, 60672, 65096, 65920, 68256, 73233, 74160, 75840, 79104, 81370, 85320, 88992, 91008, 97644, 98880, 101120, 111240, 113760, 118656, 122055, 130192, 131840, 136512, 146466, 148320, 151680, 162740, 170640, 177984, 182016, 195288, 197760, 219699, 222480, 227520, 237312, 244110, 260384, 273024, 292932, 296640, 303360, 325480, 341280, 355968, 366165, 390576, 395520, 439398, 444960, 455040, 488220, 520768, 546048, 585864, 593280, 650960, 682560, 711936, 732330, 781152, 878796, 889920, 910080, 976440, 1041536, 1098495, 1171728, 1186560, 1301920, 1365120, 1464660, 1562304, 1757592, 1779840, 1952880, 2083072, 2196990, 2343456, 2603840, 2730240, 2929320, 3124608, 3515184, 3559680, 3905760, 4393980, 4686912, 5207680, 5858640, 6249216, 7030368, 7811520, 8787960, 9373824, 10415360, 11717280, 14060736, 15623040, 17575920, 18747648, 23434560, 28121472, 31246080, 35151840, 46869120, 56242944, 70303680, 93738240, 140607360, 281214720]

約数ペア:

[(1, 281214720), (2, 140607360), (3, 93738240), (4, 70303680), (5, 56242944), (6, 46869120), (8, 35151840), (9, 31246080), (10, 28121472), (12, 23434560), (15, 18747648), (16, 17575920), (18, 15623040), (20, 14060736), (24, 11717280), (27, 10415360), (30, 9373824), (32, 8787960), (36, 7811520), (40, 7030368), (45, 6249216), (48, 5858640), (54, 5207680), (60, 4686912), (64, 4393980), (72, 3905760), (79, 3559680), (80, 3515184), (90, 3124608), (96, 2929320), (103, 2730240), (108, 2603840), (120, 2343456), (128, 2196990), (135, 2083072), (144, 1952880), (158, 1779840), (160, 1757592), (180, 1562304), (192, 1464660), (206, 1365120), (216, 1301920), (237, 1186560), (240, 1171728), (256, 1098495), (270, 1041536), (288, 976440), (309, 910080), (316, 889920), (320, 878796), (360, 781152), (384, 732330), (395, 711936), (412, 682560), (432, 650960), (474, 593280), (480, 585864), (515, 546048), (540, 520768), (576, 488220), (618, 455040), (632, 444960), (640, 439398), (711, 395520), (720, 390576), (768, 366165), (790, 355968), (824, 341280), (864, 325480), (927, 303360), (948, 296640), (960, 292932), (1030, 273024), (1080, 260384), (1152, 244110), (1185, 237312), (1236, 227520), (1264, 222480), (1280, 219699), (1422, 197760), (1440, 195288), (1545, 182016), (1580, 177984), (1648, 170640), (1728, 162740), (1854, 151680), (1896, 148320), (1920, 146466), (2060, 136512), (2133, 131840), (2160, 130192), (2304, 122055), (2370, 118656), (2472, 113760), (2528, 111240), (2781, 101120), (2844, 98880), (2880, 97644), (3090, 91008), (3160, 88992), (3296, 85320), (3456, 81370), (3555, 79104), (3708, 75840), (3792, 74160), (3840, 73233), (4120, 68256), (4266, 65920), (4320, 65096), (4635, 60672), (4740, 59328), (4944, 56880), (5056, 55620), (5562, 50560), (5688, 49440), (5760, 48822), (6180, 45504), (6320, 44496), (6592, 42660), (6912, 40685), (7110, 39552), (7416, 37920), (7584, 37080), (8137, 34560), (8240, 34128), (8532, 32960), (8640, 32548), (9270, 30336), (9480, 29664), (9888, 28440), (10112, 27810), (10665, 26368), (11124, 25280), (11376, 24720), (11520, 24411), (12360, 22752), (12640, 22248), (13184, 21330), (13905, 20224), (14220, 19776), (14832, 18960), (15168, 18540), (16274, 17280), (16480, 17064)]