256071408

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 740524032

約数和(自身を除く): 484452624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 53, 62, 68, 93, 102, 106, 124, 136, 159, 186, 191, 204, 212, 248, 272, 318, 372, 382, 408, 424, 496, 527, 573, 636, 744, 764, 816, 848, 901, 1054, 1146, 1272, 1488, 1528, 1581, 1643, 1802, 2108, 2292, 2544, 2703, 3056, 3162, 3247, 3286, 3604, 4216, 4584, 4929, 5406, 5921, 6324, 6494, 6572, 7208, 8432, 9168, 9741, 9858, 10123, 10812, 11842, 12648, 12988, 13144, 14416, 17763, 19482, 19716, 20246, 21624, 23684, 25296, 25976, 26288, 27931, 30369, 35526, 38964, 39432, 40492, 43248, 47368, 51952, 55862, 60738, 71052, 77928, 78864, 80984, 83793, 94736, 100657, 111724, 121476, 142104, 155856, 161968, 167586, 172091, 201314, 223448, 242952, 284208, 301971, 313813, 335172, 344182, 402628, 446896, 485904, 516273, 603942, 627626, 670344, 688364, 805256, 941439, 1032546, 1207884, 1255252, 1340688, 1376728, 1610512, 1882878, 2065092, 2415768, 2510504, 2753456, 3765756, 4130184, 4831536, 5021008, 5334821, 7531512, 8260368, 10669642, 15063024, 16004463, 21339284, 32008926, 42678568, 64017852, 85357136, 128035704, 256071408]

約数ペア:

[(1, 256071408), (2, 128035704), (3, 85357136), (4, 64017852), (6, 42678568), (8, 32008926), (12, 21339284), (16, 16004463), (17, 15063024), (24, 10669642), (31, 8260368), (34, 7531512), (48, 5334821), (51, 5021008), (53, 4831536), (62, 4130184), (68, 3765756), (93, 2753456), (102, 2510504), (106, 2415768), (124, 2065092), (136, 1882878), (159, 1610512), (186, 1376728), (191, 1340688), (204, 1255252), (212, 1207884), (248, 1032546), (272, 941439), (318, 805256), (372, 688364), (382, 670344), (408, 627626), (424, 603942), (496, 516273), (527, 485904), (573, 446896), (636, 402628), (744, 344182), (764, 335172), (816, 313813), (848, 301971), (901, 284208), (1054, 242952), (1146, 223448), (1272, 201314), (1488, 172091), (1528, 167586), (1581, 161968), (1643, 155856), (1802, 142104), (2108, 121476), (2292, 111724), (2544, 100657), (2703, 94736), (3056, 83793), (3162, 80984), (3247, 78864), (3286, 77928), (3604, 71052), (4216, 60738), (4584, 55862), (4929, 51952), (5406, 47368), (5921, 43248), (6324, 40492), (6494, 39432), (6572, 38964), (7208, 35526), (8432, 30369), (9168, 27931), (9741, 26288), (9858, 25976), (10123, 25296), (10812, 23684), (11842, 21624), (12648, 20246), (12988, 19716), (13144, 19482), (14416, 17763)]