221343360

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:455

約数の個数: 256

約数和(自身を含む): 827228160

約数和(自身を除く): 605884800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 128, 129, 140, 160, 168, 172, 192, 210, 215, 224, 240, 258, 280, 301, 320, 336, 344, 383, 384, 420, 430, 448, 480, 516, 560, 602, 640, 645, 672, 688, 766, 840, 860, 896, 903, 960, 1032, 1120, 1149, 1204, 1290, 1344, 1376, 1505, 1532, 1680, 1720, 1806, 1915, 1920, 2064, 2240, 2298, 2408, 2580, 2681, 2688, 2752, 3010, 3064, 3360, 3440, 3612, 3830, 4128, 4480, 4515, 4596, 4816, 5160, 5362, 5504, 5745, 6020, 6128, 6720, 6880, 7224, 7660, 8043, 8256, 9030, 9192, 9632, 10320, 10724, 11490, 12040, 12256, 13405, 13440, 13760, 14448, 15320, 16086, 16469, 16512, 18060, 18384, 19264, 20640, 21448, 22980, 24080, 24512, 26810, 27520, 28896, 30640, 32172, 32938, 36120, 36768, 38528, 40215, 41280, 42896, 45960, 48160, 49024, 49407, 53620, 57792, 61280, 64344, 65876, 72240, 73536, 80430, 82345, 82560, 85792, 91920, 96320, 98814, 107240, 115283, 115584, 122560, 128688, 131752, 144480, 147072, 160860, 164690, 171584, 183840, 192640, 197628, 214480, 230566, 245120, 247035, 257376, 263504, 288960, 321720, 329380, 343168, 345849, 367680, 395256, 428960, 461132, 494070, 514752, 527008, 576415, 577920, 643440, 658760, 691698, 735360, 790512, 857920, 922264, 988140, 1029504, 1054016, 1152830, 1286880, 1317520, 1383396, 1581024, 1715840, 1729245, 1844528, 1976280, 2108032, 2305660, 2573760, 2635040, 2766792, 3162048, 3458490, 3689056, 3952560, 4611320, 5147520, 5270080, 5533584, 6324096, 6916980, 7378112, 7905120, 9222640, 10540160, 11067168, 13833960, 14756224, 15810240, 18445280, 22134336, 27667920, 31620480, 36890560, 44268672, 55335840, 73781120, 110671680, 221343360]

約数ペア:

[(1, 221343360), (2, 110671680), (3, 73781120), (4, 55335840), (5, 44268672), (6, 36890560), (7, 31620480), (8, 27667920), (10, 22134336), (12, 18445280), (14, 15810240), (15, 14756224), (16, 13833960), (20, 11067168), (21, 10540160), (24, 9222640), (28, 7905120), (30, 7378112), (32, 6916980), (35, 6324096), (40, 5533584), (42, 5270080), (43, 5147520), (48, 4611320), (56, 3952560), (60, 3689056), (64, 3458490), (70, 3162048), (80, 2766792), (84, 2635040), (86, 2573760), (96, 2305660), (105, 2108032), (112, 1976280), (120, 1844528), (128, 1729245), (129, 1715840), (140, 1581024), (160, 1383396), (168, 1317520), (172, 1286880), (192, 1152830), (210, 1054016), (215, 1029504), (224, 988140), (240, 922264), (258, 857920), (280, 790512), (301, 735360), (320, 691698), (336, 658760), (344, 643440), (383, 577920), (384, 576415), (420, 527008), (430, 514752), (448, 494070), (480, 461132), (516, 428960), (560, 395256), (602, 367680), (640, 345849), (645, 343168), (672, 329380), (688, 321720), (766, 288960), (840, 263504), (860, 257376), (896, 247035), (903, 245120), (960, 230566), (1032, 214480), (1120, 197628), (1149, 192640), (1204, 183840), (1290, 171584), (1344, 164690), (1376, 160860), (1505, 147072), (1532, 144480), (1680, 131752), (1720, 128688), (1806, 122560), (1915, 115584), (1920, 115283), (2064, 107240), (2240, 98814), (2298, 96320), (2408, 91920), (2580, 85792), (2681, 82560), (2688, 82345), (2752, 80430), (3010, 73536), (3064, 72240), (3360, 65876), (3440, 64344), (3612, 61280), (3830, 57792), (4128, 53620), (4480, 49407), (4515, 49024), (4596, 48160), (4816, 45960), (5160, 42896), (5362, 41280), (5504, 40215), (5745, 38528), (6020, 36768), (6128, 36120), (6720, 32938), (6880, 32172), (7224, 30640), (7660, 28896), (8043, 27520), (8256, 26810), (9030, 24512), (9192, 24080), (9632, 22980), (10320, 21448), (10724, 20640), (11490, 19264), (12040, 18384), (12256, 18060), (13405, 16512), (13440, 16469), (13760, 16086), (14448, 15320)]