221245440

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:322

約数の個数: 208

約数和(自身を含む): 765104928

約数和(自身を除く): 543859488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 277, 312, 320, 384, 390, 416, 480, 512, 520, 554, 624, 640, 768, 780, 831, 832, 960, 1024, 1040, 1108, 1248, 1280, 1385, 1536, 1560, 1662, 1664, 1920, 2048, 2080, 2216, 2496, 2560, 2770, 3072, 3120, 3324, 3328, 3601, 3840, 4096, 4155, 4160, 4432, 4992, 5120, 5540, 6144, 6240, 6648, 6656, 7202, 7680, 8310, 8320, 8864, 9984, 10240, 10803, 11080, 12288, 12480, 13296, 13312, 14404, 15360, 16620, 16640, 17728, 18005, 19968, 20480, 21606, 22160, 24960, 26592, 26624, 28808, 30720, 33240, 33280, 35456, 36010, 39936, 43212, 44320, 49920, 53184, 53248, 54015, 57616, 61440, 66480, 66560, 70912, 72020, 79872, 86424, 88640, 99840, 106368, 108030, 115232, 132960, 133120, 141824, 144040, 159744, 172848, 177280, 199680, 212736, 216060, 230464, 265920, 266240, 283648, 288080, 345696, 354560, 399360, 425472, 432120, 460928, 531840, 567296, 576160, 691392, 709120, 798720, 850944, 864240, 921856, 1063680, 1134592, 1152320, 1382784, 1418240, 1701888, 1728480, 1843712, 2127360, 2304640, 2765568, 2836480, 3403776, 3456960, 3687424, 4254720, 4609280, 5531136, 5672960, 6913920, 7374848, 8509440, 9218560, 11062272, 13827840, 14749696, 17018880, 18437120, 22124544, 27655680, 36874240, 44249088, 55311360, 73748480, 110622720, 221245440]

約数ペア:

[(1, 221245440), (2, 110622720), (3, 73748480), (4, 55311360), (5, 44249088), (6, 36874240), (8, 27655680), (10, 22124544), (12, 18437120), (13, 17018880), (15, 14749696), (16, 13827840), (20, 11062272), (24, 9218560), (26, 8509440), (30, 7374848), (32, 6913920), (39, 5672960), (40, 5531136), (48, 4609280), (52, 4254720), (60, 3687424), (64, 3456960), (65, 3403776), (78, 2836480), (80, 2765568), (96, 2304640), (104, 2127360), (120, 1843712), (128, 1728480), (130, 1701888), (156, 1418240), (160, 1382784), (192, 1152320), (195, 1134592), (208, 1063680), (240, 921856), (256, 864240), (260, 850944), (277, 798720), (312, 709120), (320, 691392), (384, 576160), (390, 567296), (416, 531840), (480, 460928), (512, 432120), (520, 425472), (554, 399360), (624, 354560), (640, 345696), (768, 288080), (780, 283648), (831, 266240), (832, 265920), (960, 230464), (1024, 216060), (1040, 212736), (1108, 199680), (1248, 177280), (1280, 172848), (1385, 159744), (1536, 144040), (1560, 141824), (1662, 133120), (1664, 132960), (1920, 115232), (2048, 108030), (2080, 106368), (2216, 99840), (2496, 88640), (2560, 86424), (2770, 79872), (3072, 72020), (3120, 70912), (3324, 66560), (3328, 66480), (3601, 61440), (3840, 57616), (4096, 54015), (4155, 53248), (4160, 53184), (4432, 49920), (4992, 44320), (5120, 43212), (5540, 39936), (6144, 36010), (6240, 35456), (6648, 33280), (6656, 33240), (7202, 30720), (7680, 28808), (8310, 26624), (8320, 26592), (8864, 24960), (9984, 22160), (10240, 21606), (10803, 20480), (11080, 19968), (12288, 18005), (12480, 17728), (13296, 16640), (13312, 16620), (14404, 15360)]