247439520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:316

約数の個数: 288

約数和(自身を含む): 913296384

約数和(自身を除く): 665856864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 32, 36, 40, 45, 46, 48, 60, 62, 69, 72, 80, 90, 92, 93, 96, 115, 120, 124, 138, 144, 155, 160, 180, 184, 186, 207, 230, 240, 241, 248, 276, 279, 288, 310, 345, 360, 368, 372, 414, 460, 465, 480, 482, 496, 552, 558, 620, 690, 713, 720, 723, 736, 744, 828, 920, 930, 964, 992, 1035, 1104, 1116, 1205, 1240, 1380, 1395, 1426, 1440, 1446, 1488, 1656, 1840, 1860, 1928, 2070, 2139, 2169, 2208, 2232, 2410, 2480, 2760, 2790, 2852, 2892, 2976, 3312, 3565, 3615, 3680, 3720, 3856, 4140, 4278, 4338, 4464, 4820, 4960, 5520, 5543, 5580, 5704, 5784, 6417, 6624, 7130, 7230, 7440, 7471, 7712, 8280, 8556, 8676, 8928, 9640, 10695, 10845, 11040, 11086, 11160, 11408, 11568, 12834, 14260, 14460, 14880, 14942, 16560, 16629, 17112, 17352, 19280, 21390, 21690, 22172, 22320, 22413, 22816, 23136, 25668, 27715, 28520, 28920, 29884, 32085, 33120, 33258, 34224, 34704, 37355, 38560, 42780, 43380, 44344, 44640, 44826, 49887, 51336, 55430, 57040, 57840, 59768, 64170, 66516, 67239, 68448, 69408, 74710, 83145, 85560, 86760, 88688, 89652, 99774, 102672, 110860, 112065, 114080, 115680, 119536, 128340, 133032, 134478, 149420, 166290, 171120, 171833, 173520, 177376, 179304, 199548, 205344, 221720, 224130, 239072, 249435, 256680, 266064, 268956, 298840, 332580, 336195, 342240, 343666, 347040, 358608, 399096, 443440, 448260, 498870, 513360, 515499, 532128, 537912, 597680, 665160, 672390, 687332, 717216, 798192, 859165, 886880, 896520, 997740, 1026720, 1030998, 1075824, 1195360, 1330320, 1344780, 1374664, 1546497, 1596384, 1718330, 1793040, 1995480, 2061996, 2151648, 2577495, 2660640, 2689560, 2749328, 3092994, 3436660, 3586080, 3990960, 4123992, 5154990, 5379120, 5498656, 6185988, 6873320, 7732485, 7981920, 8247984, 10309980, 10758240, 12371976, 13746640, 15464970, 16495968, 20619960, 24743952, 27493280, 30929940, 41239920, 49487904, 61859880, 82479840, 123719760, 247439520]

約数ペア:

[(1, 247439520), (2, 123719760), (3, 82479840), (4, 61859880), (5, 49487904), (6, 41239920), (8, 30929940), (9, 27493280), (10, 24743952), (12, 20619960), (15, 16495968), (16, 15464970), (18, 13746640), (20, 12371976), (23, 10758240), (24, 10309980), (30, 8247984), (31, 7981920), (32, 7732485), (36, 6873320), (40, 6185988), (45, 5498656), (46, 5379120), (48, 5154990), (60, 4123992), (62, 3990960), (69, 3586080), (72, 3436660), (80, 3092994), (90, 2749328), (92, 2689560), (93, 2660640), (96, 2577495), (115, 2151648), (120, 2061996), (124, 1995480), (138, 1793040), (144, 1718330), (155, 1596384), (160, 1546497), (180, 1374664), (184, 1344780), (186, 1330320), (207, 1195360), (230, 1075824), (240, 1030998), (241, 1026720), (248, 997740), (276, 896520), (279, 886880), (288, 859165), (310, 798192), (345, 717216), (360, 687332), (368, 672390), (372, 665160), (414, 597680), (460, 537912), (465, 532128), (480, 515499), (482, 513360), (496, 498870), (552, 448260), (558, 443440), (620, 399096), (690, 358608), (713, 347040), (720, 343666), (723, 342240), (736, 336195), (744, 332580), (828, 298840), (920, 268956), (930, 266064), (964, 256680), (992, 249435), (1035, 239072), (1104, 224130), (1116, 221720), (1205, 205344), (1240, 199548), (1380, 179304), (1395, 177376), (1426, 173520), (1440, 171833), (1446, 171120), (1488, 166290), (1656, 149420), (1840, 134478), (1860, 133032), (1928, 128340), (2070, 119536), (2139, 115680), (2169, 114080), (2208, 112065), (2232, 110860), (2410, 102672), (2480, 99774), (2760, 89652), (2790, 88688), (2852, 86760), (2892, 85560), (2976, 83145), (3312, 74710), (3565, 69408), (3615, 68448), (3680, 67239), (3720, 66516), (3856, 64170), (4140, 59768), (4278, 57840), (4338, 57040), (4464, 55430), (4820, 51336), (4960, 49887), (5520, 44826), (5543, 44640), (5580, 44344), (5704, 43380), (5784, 42780), (6417, 38560), (6624, 37355), (7130, 34704), (7230, 34224), (7440, 33258), (7471, 33120), (7712, 32085), (8280, 29884), (8556, 28920), (8676, 28520), (8928, 27715), (9640, 25668), (10695, 23136), (10845, 22816), (11040, 22413), (11086, 22320), (11160, 22172), (11408, 21690), (11568, 21390), (12834, 19280), (14260, 17352), (14460, 17112), (14880, 16629), (14942, 16560)]