221679360

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{2749}}^1$

素因数の和:2783

約数の個数: 216

約数和(自身を含む): 876876000

約数和(自身を除く): 655196640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2749, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5498, 5760, 6720, 8064, 8247, 8960, 10080, 10996, 11520, 13440, 13745, 16128, 16494, 19243, 20160, 21992, 24741, 26880, 27490, 32988, 38486, 40320, 41235, 43984, 49482, 54980, 57729, 65976, 76972, 80640, 82470, 87968, 96215, 98964, 109960, 115458, 123705, 131952, 153944, 164940, 173187, 175936, 192430, 197928, 219920, 230916, 247410, 263904, 288645, 307888, 329880, 346374, 351872, 384860, 395856, 439840, 461832, 494820, 527808, 577290, 615776, 659760, 692748, 703744, 769720, 791712, 865935, 879680, 923664, 989640, 1055616, 1154580, 1231552, 1319520, 1385496, 1539440, 1583424, 1731870, 1759360, 1847328, 1979280, 2111232, 2309160, 2463104, 2639040, 2770992, 3078880, 3166848, 3463740, 3518720, 3694656, 3958560, 4618320, 4926208, 5278080, 5541984, 6157760, 6333696, 6927480, 7389312, 7917120, 9236640, 10556160, 11083968, 12315520, 13854960, 14778624, 15834240, 18473280, 22167936, 24631040, 27709920, 31668480, 36946560, 44335872, 55419840, 73893120, 110839680, 221679360]

約数ペア:

[(1, 221679360), (2, 110839680), (3, 73893120), (4, 55419840), (5, 44335872), (6, 36946560), (7, 31668480), (8, 27709920), (9, 24631040), (10, 22167936), (12, 18473280), (14, 15834240), (15, 14778624), (16, 13854960), (18, 12315520), (20, 11083968), (21, 10556160), (24, 9236640), (28, 7917120), (30, 7389312), (32, 6927480), (35, 6333696), (36, 6157760), (40, 5541984), (42, 5278080), (45, 4926208), (48, 4618320), (56, 3958560), (60, 3694656), (63, 3518720), (64, 3463740), (70, 3166848), (72, 3078880), (80, 2770992), (84, 2639040), (90, 2463104), (96, 2309160), (105, 2111232), (112, 1979280), (120, 1847328), (126, 1759360), (128, 1731870), (140, 1583424), (144, 1539440), (160, 1385496), (168, 1319520), (180, 1231552), (192, 1154580), (210, 1055616), (224, 989640), (240, 923664), (252, 879680), (256, 865935), (280, 791712), (288, 769720), (315, 703744), (320, 692748), (336, 659760), (360, 615776), (384, 577290), (420, 527808), (448, 494820), (480, 461832), (504, 439840), (560, 395856), (576, 384860), (630, 351872), (640, 346374), (672, 329880), (720, 307888), (768, 288645), (840, 263904), (896, 247410), (960, 230916), (1008, 219920), (1120, 197928), (1152, 192430), (1260, 175936), (1280, 173187), (1344, 164940), (1440, 153944), (1680, 131952), (1792, 123705), (1920, 115458), (2016, 109960), (2240, 98964), (2304, 96215), (2520, 87968), (2688, 82470), (2749, 80640), (2880, 76972), (3360, 65976), (3840, 57729), (4032, 54980), (4480, 49482), (5040, 43984), (5376, 41235), (5498, 40320), (5760, 38486), (6720, 32988), (8064, 27490), (8247, 26880), (8960, 24741), (10080, 21992), (10996, 20160), (11520, 19243), (13440, 16494), (13745, 16128)]