54221440

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:72

約数の個数: 256

約数和(自身を含む): 171360000

約数和(自身を除く): 117138560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 49, 52, 56, 64, 65, 70, 76, 80, 91, 95, 98, 104, 112, 128, 130, 133, 140, 152, 160, 182, 190, 196, 208, 224, 245, 247, 260, 266, 280, 304, 320, 343, 364, 380, 392, 416, 448, 455, 490, 494, 520, 532, 560, 608, 637, 640, 665, 686, 728, 760, 784, 832, 896, 910, 931, 980, 988, 1040, 1064, 1120, 1216, 1235, 1274, 1330, 1372, 1456, 1520, 1568, 1664, 1715, 1729, 1820, 1862, 1960, 1976, 2080, 2128, 2240, 2432, 2470, 2548, 2660, 2744, 2912, 3040, 3136, 3185, 3430, 3458, 3640, 3724, 3920, 3952, 4160, 4256, 4459, 4480, 4655, 4940, 5096, 5320, 5488, 5824, 6080, 6272, 6370, 6517, 6860, 6916, 7280, 7448, 7840, 7904, 8320, 8512, 8645, 8918, 9310, 9880, 10192, 10640, 10976, 11648, 12103, 12160, 12740, 13034, 13720, 13832, 14560, 14896, 15680, 15808, 17024, 17290, 17836, 18620, 19760, 20384, 21280, 21952, 22295, 24206, 25480, 26068, 27440, 27664, 29120, 29792, 31360, 31616, 32585, 34580, 35672, 37240, 39520, 40768, 42560, 43904, 44590, 48412, 50960, 52136, 54880, 55328, 58240, 59584, 60515, 65170, 69160, 71344, 74480, 79040, 81536, 84721, 85120, 89180, 96824, 101920, 104272, 109760, 110656, 119168, 121030, 130340, 138320, 142688, 148960, 158080, 169442, 178360, 193648, 203840, 208544, 219520, 221312, 242060, 260680, 276640, 285376, 297920, 338884, 356720, 387296, 407680, 417088, 423605, 484120, 521360, 553280, 570752, 595840, 677768, 713440, 774592, 834176, 847210, 968240, 1042720, 1106560, 1355536, 1426880, 1549184, 1694420, 1936480, 2085440, 2711072, 2853760, 3388840, 3872960, 4170880, 5422144, 6777680, 7745920, 10844288, 13555360, 27110720, 54221440]

約数ペア:

[(1, 54221440), (2, 27110720), (4, 13555360), (5, 10844288), (7, 7745920), (8, 6777680), (10, 5422144), (13, 4170880), (14, 3872960), (16, 3388840), (19, 2853760), (20, 2711072), (26, 2085440), (28, 1936480), (32, 1694420), (35, 1549184), (38, 1426880), (40, 1355536), (49, 1106560), (52, 1042720), (56, 968240), (64, 847210), (65, 834176), (70, 774592), (76, 713440), (80, 677768), (91, 595840), (95, 570752), (98, 553280), (104, 521360), (112, 484120), (128, 423605), (130, 417088), (133, 407680), (140, 387296), (152, 356720), (160, 338884), (182, 297920), (190, 285376), (196, 276640), (208, 260680), (224, 242060), (245, 221312), (247, 219520), (260, 208544), (266, 203840), (280, 193648), (304, 178360), (320, 169442), (343, 158080), (364, 148960), (380, 142688), (392, 138320), (416, 130340), (448, 121030), (455, 119168), (490, 110656), (494, 109760), (520, 104272), (532, 101920), (560, 96824), (608, 89180), (637, 85120), (640, 84721), (665, 81536), (686, 79040), (728, 74480), (760, 71344), (784, 69160), (832, 65170), (896, 60515), (910, 59584), (931, 58240), (980, 55328), (988, 54880), (1040, 52136), (1064, 50960), (1120, 48412), (1216, 44590), (1235, 43904), (1274, 42560), (1330, 40768), (1372, 39520), (1456, 37240), (1520, 35672), (1568, 34580), (1664, 32585), (1715, 31616), (1729, 31360), (1820, 29792), (1862, 29120), (1960, 27664), (1976, 27440), (2080, 26068), (2128, 25480), (2240, 24206), (2432, 22295), (2470, 21952), (2548, 21280), (2660, 20384), (2744, 19760), (2912, 18620), (3040, 17836), (3136, 17290), (3185, 17024), (3430, 15808), (3458, 15680), (3640, 14896), (3724, 14560), (3920, 13832), (3952, 13720), (4160, 13034), (4256, 12740), (4459, 12160), (4480, 12103), (4655, 11648), (4940, 10976), (5096, 10640), (5320, 10192), (5488, 9880), (5824, 9310), (6080, 8918), (6272, 8645), (6370, 8512), (6517, 8320), (6860, 7904), (6916, 7840), (7280, 7448)]