205025280

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 208

約数和(自身を含む): 679394304

約数和(自身を除く): 474369024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 71, 80, 94, 96, 120, 128, 141, 142, 160, 188, 192, 213, 235, 240, 256, 282, 284, 320, 355, 376, 384, 426, 470, 480, 512, 564, 568, 640, 705, 710, 752, 768, 852, 940, 960, 1024, 1065, 1128, 1136, 1280, 1410, 1420, 1504, 1536, 1704, 1880, 1920, 2048, 2130, 2256, 2272, 2560, 2820, 2840, 3008, 3072, 3337, 3408, 3760, 3840, 4096, 4260, 4512, 4544, 5120, 5640, 5680, 6016, 6144, 6674, 6816, 7520, 7680, 8520, 9024, 9088, 10011, 10240, 11280, 11360, 12032, 12288, 13348, 13632, 15040, 15360, 16685, 17040, 18048, 18176, 20022, 20480, 22560, 22720, 24064, 26696, 27264, 30080, 30720, 33370, 34080, 36096, 36352, 40044, 45120, 45440, 48128, 50055, 53392, 54528, 60160, 61440, 66740, 68160, 72192, 72704, 80088, 90240, 90880, 96256, 100110, 106784, 109056, 120320, 133480, 136320, 144384, 145408, 160176, 180480, 181760, 192512, 200220, 213568, 218112, 240640, 266960, 272640, 288768, 290816, 320352, 360960, 363520, 400440, 427136, 436224, 481280, 533920, 545280, 577536, 640704, 721920, 727040, 800880, 854272, 872448, 962560, 1067840, 1090560, 1281408, 1443840, 1454080, 1601760, 1708544, 2135680, 2181120, 2562816, 2887680, 3203520, 3417088, 4271360, 4362240, 5125632, 6407040, 6834176, 8542720, 10251264, 12814080, 13668352, 17085440, 20502528, 25628160, 34170880, 41005056, 51256320, 68341760, 102512640, 205025280]

約数ペア:

[(1, 205025280), (2, 102512640), (3, 68341760), (4, 51256320), (5, 41005056), (6, 34170880), (8, 25628160), (10, 20502528), (12, 17085440), (15, 13668352), (16, 12814080), (20, 10251264), (24, 8542720), (30, 6834176), (32, 6407040), (40, 5125632), (47, 4362240), (48, 4271360), (60, 3417088), (64, 3203520), (71, 2887680), (80, 2562816), (94, 2181120), (96, 2135680), (120, 1708544), (128, 1601760), (141, 1454080), (142, 1443840), (160, 1281408), (188, 1090560), (192, 1067840), (213, 962560), (235, 872448), (240, 854272), (256, 800880), (282, 727040), (284, 721920), (320, 640704), (355, 577536), (376, 545280), (384, 533920), (426, 481280), (470, 436224), (480, 427136), (512, 400440), (564, 363520), (568, 360960), (640, 320352), (705, 290816), (710, 288768), (752, 272640), (768, 266960), (852, 240640), (940, 218112), (960, 213568), (1024, 200220), (1065, 192512), (1128, 181760), (1136, 180480), (1280, 160176), (1410, 145408), (1420, 144384), (1504, 136320), (1536, 133480), (1704, 120320), (1880, 109056), (1920, 106784), (2048, 100110), (2130, 96256), (2256, 90880), (2272, 90240), (2560, 80088), (2820, 72704), (2840, 72192), (3008, 68160), (3072, 66740), (3337, 61440), (3408, 60160), (3760, 54528), (3840, 53392), (4096, 50055), (4260, 48128), (4512, 45440), (4544, 45120), (5120, 40044), (5640, 36352), (5680, 36096), (6016, 34080), (6144, 33370), (6674, 30720), (6816, 30080), (7520, 27264), (7680, 26696), (8520, 24064), (9024, 22720), (9088, 22560), (10011, 20480), (10240, 20022), (11280, 18176), (11360, 18048), (12032, 17040), (12288, 16685), (13348, 15360), (13632, 15040)]