258693760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 256

約数和(自身を含む): 740275200

約数和(自身を除く): 481581440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 59, 62, 64, 65, 68, 80, 85, 104, 118, 124, 128, 130, 136, 155, 160, 170, 208, 221, 236, 248, 260, 272, 295, 310, 320, 340, 403, 416, 442, 472, 496, 520, 527, 544, 590, 620, 640, 680, 767, 806, 832, 884, 944, 992, 1003, 1040, 1054, 1088, 1105, 1180, 1240, 1360, 1534, 1612, 1664, 1768, 1829, 1888, 1984, 2006, 2015, 2080, 2108, 2176, 2210, 2360, 2480, 2635, 2720, 3068, 3224, 3536, 3658, 3776, 3835, 3968, 4012, 4030, 4160, 4216, 4420, 4720, 4960, 5015, 5270, 5440, 6136, 6448, 6851, 7072, 7316, 7552, 7670, 8024, 8060, 8320, 8432, 8840, 9145, 9440, 9920, 10030, 10540, 10880, 12272, 12896, 13039, 13702, 14144, 14632, 15340, 16048, 16120, 16864, 17680, 18290, 18880, 19840, 20060, 21080, 23777, 24544, 25792, 26078, 27404, 28288, 29264, 30680, 31093, 32096, 32240, 33728, 34255, 35360, 36580, 37760, 40120, 42160, 47554, 49088, 51584, 52156, 54808, 58528, 61360, 62186, 64192, 64480, 65195, 67456, 68510, 70720, 73160, 80240, 84320, 95108, 98176, 104312, 109616, 117056, 118885, 122720, 124372, 128384, 128960, 130390, 137020, 141440, 146320, 155465, 160480, 168640, 190216, 208624, 219232, 234112, 237770, 245440, 248744, 257920, 260780, 274040, 292640, 310930, 320960, 337280, 380432, 404209, 417248, 438464, 475540, 490880, 497488, 521560, 548080, 585280, 621860, 641920, 760864, 808418, 834496, 876928, 951080, 994976, 1043120, 1096160, 1170560, 1243720, 1521728, 1616836, 1668992, 1902160, 1989952, 2021045, 2086240, 2192320, 2487440, 3043456, 3233672, 3804320, 3979904, 4042090, 4172480, 4384640, 4974880, 6467344, 7608640, 8084180, 8344960, 9949760, 12934688, 15217280, 16168360, 19899520, 25869376, 32336720, 51738752, 64673440, 129346880, 258693760]

約数ペア:

[(1, 258693760), (2, 129346880), (4, 64673440), (5, 51738752), (8, 32336720), (10, 25869376), (13, 19899520), (16, 16168360), (17, 15217280), (20, 12934688), (26, 9949760), (31, 8344960), (32, 8084180), (34, 7608640), (40, 6467344), (52, 4974880), (59, 4384640), (62, 4172480), (64, 4042090), (65, 3979904), (68, 3804320), (80, 3233672), (85, 3043456), (104, 2487440), (118, 2192320), (124, 2086240), (128, 2021045), (130, 1989952), (136, 1902160), (155, 1668992), (160, 1616836), (170, 1521728), (208, 1243720), (221, 1170560), (236, 1096160), (248, 1043120), (260, 994976), (272, 951080), (295, 876928), (310, 834496), (320, 808418), (340, 760864), (403, 641920), (416, 621860), (442, 585280), (472, 548080), (496, 521560), (520, 497488), (527, 490880), (544, 475540), (590, 438464), (620, 417248), (640, 404209), (680, 380432), (767, 337280), (806, 320960), (832, 310930), (884, 292640), (944, 274040), (992, 260780), (1003, 257920), (1040, 248744), (1054, 245440), (1088, 237770), (1105, 234112), (1180, 219232), (1240, 208624), (1360, 190216), (1534, 168640), (1612, 160480), (1664, 155465), (1768, 146320), (1829, 141440), (1888, 137020), (1984, 130390), (2006, 128960), (2015, 128384), (2080, 124372), (2108, 122720), (2176, 118885), (2210, 117056), (2360, 109616), (2480, 104312), (2635, 98176), (2720, 95108), (3068, 84320), (3224, 80240), (3536, 73160), (3658, 70720), (3776, 68510), (3835, 67456), (3968, 65195), (4012, 64480), (4030, 64192), (4160, 62186), (4216, 61360), (4420, 58528), (4720, 54808), (4960, 52156), (5015, 51584), (5270, 49088), (5440, 47554), (6136, 42160), (6448, 40120), (6851, 37760), (7072, 36580), (7316, 35360), (7552, 34255), (7670, 33728), (8024, 32240), (8060, 32096), (8320, 31093), (8432, 30680), (8840, 29264), (9145, 28288), (9440, 27404), (9920, 26078), (10030, 25792), (10540, 24544), (10880, 23777), (12272, 21080), (12896, 20060), (13039, 19840), (13702, 18880), (14144, 18290), (14632, 17680), (15340, 16864), (16048, 16120)]