1921221120

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2749}}^1$

素因数の和:2795

約数の個数: 320

約数和(自身を含む): 7562016000

約数和(自身を除く): 5640794880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 128, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 256, 260, 273, 280, 312, 320, 336, 364, 384, 390, 416, 420, 448, 455, 480, 512, 520, 546, 560, 624, 640, 672, 728, 768, 780, 832, 840, 896, 910, 960, 1040, 1092, 1120, 1248, 1280, 1344, 1365, 1456, 1536, 1560, 1664, 1680, 1792, 1820, 1920, 2080, 2184, 2240, 2496, 2560, 2688, 2730, 2749, 2912, 3120, 3328, 3360, 3584, 3640, 3840, 4160, 4368, 4480, 4992, 5376, 5460, 5498, 5824, 6240, 6656, 6720, 7280, 7680, 8247, 8320, 8736, 8960, 9984, 10752, 10920, 10996, 11648, 12480, 13440, 13745, 14560, 16494, 16640, 17472, 17920, 19243, 19968, 21840, 21992, 23296, 24960, 26880, 27490, 29120, 32988, 33280, 34944, 35737, 38486, 41235, 43680, 43984, 46592, 49920, 53760, 54980, 57729, 58240, 65976, 69888, 71474, 76972, 82470, 87360, 87968, 96215, 99840, 107211, 109960, 115458, 116480, 131952, 139776, 142948, 153944, 164940, 174720, 175936, 178685, 192430, 214422, 219920, 230916, 232960, 250159, 263904, 285896, 288645, 307888, 329880, 349440, 351872, 357370, 384860, 428844, 439840, 461832, 500318, 527808, 536055, 571792, 577290, 615776, 659760, 698880, 703744, 714740, 750477, 769720, 857688, 879680, 923664, 1000636, 1055616, 1072110, 1143584, 1154580, 1231552, 1250795, 1319520, 1407488, 1429480, 1500954, 1539440, 1715376, 1759360, 1847328, 2001272, 2111232, 2144220, 2287168, 2309160, 2463104, 2501590, 2639040, 2858960, 3001908, 3078880, 3430752, 3518720, 3694656, 3752385, 4002544, 4222464, 4288440, 4574336, 4618320, 4926208, 5003180, 5278080, 5717920, 6003816, 6157760, 6861504, 7037440, 7389312, 7504770, 8005088, 8576880, 9148672, 9236640, 9852416, 10006360, 10556160, 11435840, 12007632, 12315520, 13723008, 14778624, 15009540, 16010176, 17153760, 18297344, 18473280, 20012720, 21112320, 22871680, 24015264, 24631040, 27446016, 29557248, 30019080, 32020352, 34307520, 36946560, 40025440, 45743360, 48030528, 49262080, 54892032, 60038160, 64040704, 68615040, 73893120, 80050880, 91486720, 96061056, 120076320, 128081408, 137230080, 147786240, 160101760, 192122112, 240152640, 274460160, 320203520, 384244224, 480305280, 640407040, 960610560, 1921221120]

約数ペア:

[(1, 1921221120), (2, 960610560), (3, 640407040), (4, 480305280), (5, 384244224), (6, 320203520), (7, 274460160), (8, 240152640), (10, 192122112), (12, 160101760), (13, 147786240), (14, 137230080), (15, 128081408), (16, 120076320), (20, 96061056), (21, 91486720), (24, 80050880), (26, 73893120), (28, 68615040), (30, 64040704), (32, 60038160), (35, 54892032), (39, 49262080), (40, 48030528), (42, 45743360), (48, 40025440), (52, 36946560), (56, 34307520), (60, 32020352), (64, 30019080), (65, 29557248), (70, 27446016), (78, 24631040), (80, 24015264), (84, 22871680), (91, 21112320), (96, 20012720), (104, 18473280), (105, 18297344), (112, 17153760), (120, 16010176), (128, 15009540), (130, 14778624), (140, 13723008), (156, 12315520), (160, 12007632), (168, 11435840), (182, 10556160), (192, 10006360), (195, 9852416), (208, 9236640), (210, 9148672), (224, 8576880), (240, 8005088), (256, 7504770), (260, 7389312), (273, 7037440), (280, 6861504), (312, 6157760), (320, 6003816), (336, 5717920), (364, 5278080), (384, 5003180), (390, 4926208), (416, 4618320), (420, 4574336), (448, 4288440), (455, 4222464), (480, 4002544), (512, 3752385), (520, 3694656), (546, 3518720), (560, 3430752), (624, 3078880), (640, 3001908), (672, 2858960), (728, 2639040), (768, 2501590), (780, 2463104), (832, 2309160), (840, 2287168), (896, 2144220), (910, 2111232), (960, 2001272), (1040, 1847328), (1092, 1759360), (1120, 1715376), (1248, 1539440), (1280, 1500954), (1344, 1429480), (1365, 1407488), (1456, 1319520), (1536, 1250795), (1560, 1231552), (1664, 1154580), (1680, 1143584), (1792, 1072110), (1820, 1055616), (1920, 1000636), (2080, 923664), (2184, 879680), (2240, 857688), (2496, 769720), (2560, 750477), (2688, 714740), (2730, 703744), (2749, 698880), (2912, 659760), (3120, 615776), (3328, 577290), (3360, 571792), (3584, 536055), (3640, 527808), (3840, 500318), (4160, 461832), (4368, 439840), (4480, 428844), (4992, 384860), (5376, 357370), (5460, 351872), (5498, 349440), (5824, 329880), (6240, 307888), (6656, 288645), (6720, 285896), (7280, 263904), (7680, 250159), (8247, 232960), (8320, 230916), (8736, 219920), (8960, 214422), (9984, 192430), (10752, 178685), (10920, 175936), (10996, 174720), (11648, 164940), (12480, 153944), (13440, 142948), (13745, 139776), (14560, 131952), (16494, 116480), (16640, 115458), (17472, 109960), (17920, 107211), (19243, 99840), (19968, 96215), (21840, 87968), (21992, 87360), (23296, 82470), (24960, 76972), (26880, 71474), (27490, 69888), (29120, 65976), (32988, 58240), (33280, 57729), (34944, 54980), (35737, 53760), (38486, 49920), (41235, 46592), (43680, 43984)]