191201920

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 256

約数和(自身を含む): 582624000

約数和(自身を除く): 391422080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 67, 70, 80, 91, 98, 104, 112, 128, 130, 134, 140, 160, 182, 196, 208, 224, 245, 260, 268, 280, 320, 335, 343, 364, 392, 416, 448, 455, 469, 490, 520, 536, 560, 637, 640, 670, 686, 728, 784, 832, 871, 896, 910, 938, 980, 1040, 1072, 1120, 1274, 1340, 1372, 1456, 1568, 1664, 1715, 1742, 1820, 1876, 1960, 2080, 2144, 2240, 2345, 2548, 2680, 2744, 2912, 3136, 3185, 3283, 3430, 3484, 3640, 3752, 3920, 4160, 4288, 4355, 4459, 4480, 4690, 5096, 5360, 5488, 5824, 6097, 6272, 6370, 6566, 6860, 6968, 7280, 7504, 7840, 8320, 8576, 8710, 8918, 9380, 10192, 10720, 10976, 11648, 12194, 12740, 13132, 13720, 13936, 14560, 15008, 15680, 16415, 17420, 17836, 18760, 20384, 21440, 21952, 22295, 22981, 24388, 25480, 26264, 27440, 27872, 29120, 30016, 30485, 31360, 32830, 34840, 35672, 37520, 40768, 42679, 42880, 43904, 44590, 45962, 48776, 50960, 52528, 54880, 55744, 58240, 60032, 60970, 65660, 69680, 71344, 75040, 81536, 85358, 89180, 91924, 97552, 101920, 105056, 109760, 111488, 114905, 121940, 131320, 139360, 142688, 150080, 170716, 178360, 183848, 195104, 203840, 210112, 213395, 219520, 229810, 243880, 262640, 278720, 285376, 298753, 300160, 341432, 356720, 367696, 390208, 407680, 420224, 426790, 459620, 487760, 525280, 557440, 570752, 597506, 682864, 713440, 735392, 780416, 853580, 919240, 975520, 1050560, 1195012, 1365728, 1426880, 1470784, 1493765, 1707160, 1838480, 1951040, 2101120, 2390024, 2731456, 2853760, 2941568, 2987530, 3414320, 3676960, 3902080, 4780048, 5462912, 5975060, 6828640, 7353920, 9560096, 11950120, 13657280, 14707840, 19120192, 23900240, 27314560, 38240384, 47800480, 95600960, 191201920]

約数ペア:

[(1, 191201920), (2, 95600960), (4, 47800480), (5, 38240384), (7, 27314560), (8, 23900240), (10, 19120192), (13, 14707840), (14, 13657280), (16, 11950120), (20, 9560096), (26, 7353920), (28, 6828640), (32, 5975060), (35, 5462912), (40, 4780048), (49, 3902080), (52, 3676960), (56, 3414320), (64, 2987530), (65, 2941568), (67, 2853760), (70, 2731456), (80, 2390024), (91, 2101120), (98, 1951040), (104, 1838480), (112, 1707160), (128, 1493765), (130, 1470784), (134, 1426880), (140, 1365728), (160, 1195012), (182, 1050560), (196, 975520), (208, 919240), (224, 853580), (245, 780416), (260, 735392), (268, 713440), (280, 682864), (320, 597506), (335, 570752), (343, 557440), (364, 525280), (392, 487760), (416, 459620), (448, 426790), (455, 420224), (469, 407680), (490, 390208), (520, 367696), (536, 356720), (560, 341432), (637, 300160), (640, 298753), (670, 285376), (686, 278720), (728, 262640), (784, 243880), (832, 229810), (871, 219520), (896, 213395), (910, 210112), (938, 203840), (980, 195104), (1040, 183848), (1072, 178360), (1120, 170716), (1274, 150080), (1340, 142688), (1372, 139360), (1456, 131320), (1568, 121940), (1664, 114905), (1715, 111488), (1742, 109760), (1820, 105056), (1876, 101920), (1960, 97552), (2080, 91924), (2144, 89180), (2240, 85358), (2345, 81536), (2548, 75040), (2680, 71344), (2744, 69680), (2912, 65660), (3136, 60970), (3185, 60032), (3283, 58240), (3430, 55744), (3484, 54880), (3640, 52528), (3752, 50960), (3920, 48776), (4160, 45962), (4288, 44590), (4355, 43904), (4459, 42880), (4480, 42679), (4690, 40768), (5096, 37520), (5360, 35672), (5488, 34840), (5824, 32830), (6097, 31360), (6272, 30485), (6370, 30016), (6566, 29120), (6860, 27872), (6968, 27440), (7280, 26264), (7504, 25480), (7840, 24388), (8320, 22981), (8576, 22295), (8710, 21952), (8918, 21440), (9380, 20384), (10192, 18760), (10720, 17836), (10976, 17420), (11648, 16415), (12194, 15680), (12740, 15008), (13132, 14560), (13720, 13936)]