255416937984

素因数分解:

$2^9\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 960

約数和(自身を含む): 894022778880

約数和(自身を除く): 638605840896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 31, 32, 36, 38, 39, 48, 52, 54, 57, 62, 64, 72, 76, 78, 93, 96, 104, 108, 114, 117, 124, 127, 128, 144, 152, 156, 171, 186, 192, 208, 216, 228, 234, 247, 248, 254, 256, 279, 288, 304, 312, 342, 351, 361, 372, 381, 384, 403, 416, 432, 456, 468, 494, 496, 508, 512, 513, 558, 576, 589, 608, 624, 684, 702, 722, 741, 744, 762, 768, 806, 832, 837, 864, 912, 936, 988, 992, 1016, 1026, 1083, 1116, 1143, 1152, 1178, 1209, 1216, 1248, 1368, 1404, 1444, 1482, 1488, 1524, 1536, 1612, 1651, 1664, 1674, 1728, 1767, 1824, 1872, 1976, 1984, 2032, 2052, 2166, 2223, 2232, 2286, 2304, 2356, 2413, 2418, 2432, 2496, 2736, 2808, 2888, 2964, 2976, 3048, 3224, 3249, 3302, 3328, 3348, 3429, 3456, 3534, 3627, 3648, 3744, 3937, 3952, 3968, 4064, 4104, 4332, 4446, 4464, 4572, 4608, 4693, 4712, 4826, 4836, 4864, 4953, 4992, 5301, 5472, 5616, 5776, 5928, 5952, 6096, 6448, 6498, 6604, 6656, 6669, 6696, 6858, 6912, 7068, 7239, 7254, 7296, 7488, 7657, 7874, 7904, 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約数ペア:

[(1, 255416937984), (2, 127708468992), (3, 85138979328), (4, 63854234496), (6, 42569489664), (8, 31927117248), (9, 28379659776), (12, 21284744832), (13, 19647456768), (16, 15963558624), (18, 14189829888), (19, 13442996736), (24, 10642372416), (26, 9823728384), (27, 9459886592), (31, 8239256064), (32, 7981779312), (36, 7094914944), (38, 6721498368), (39, 6549152256), (48, 5321186208), (52, 4911864192), (54, 4729943296), (57, 4480998912), (62, 4119628032), (64, 3990889656), (72, 3547457472), (76, 3360749184), (78, 3274576128), (93, 2746418688), (96, 2660593104), (104, 2455932096), (108, 2364971648), (114, 2240499456), (117, 2183050752), (124, 2059814016), (127, 2011156992), (128, 1995444828), (144, 1773728736), (152, 1680374592), (156, 1637288064), (171, 1493666304), (186, 1373209344), (192, 1330296552), (208, 1227966048), (216, 1182485824), (228, 1120249728), (234, 1091525376), (247, 1034076672), (248, 1029907008), (254, 1005578496), (256, 997722414), (279, 915472896), (288, 886864368), 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