254157120

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{1801}}^1$

素因数の和:1838

約数の個数: 252

約数和(自身を含む): 1017484884

約数和(自身を除く): 763327764

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1801, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3602, 3920, 4032, 4410, 4704, 5040, 5403, 5880, 6720, 7056, 7204, 7840, 8820, 9005, 9408, 10080, 10806, 11760, 12607, 14112, 14408, 15680, 16209, 17640, 18010, 20160, 21612, 23520, 25214, 27015, 28224, 28816, 32418, 35280, 36020, 37821, 43224, 47040, 50428, 54030, 57632, 63035, 64836, 70560, 72040, 75642, 81045, 86448, 88249, 100856, 108060, 113463, 115264, 126070, 129672, 141120, 144080, 151284, 162090, 172896, 176498, 189105, 201712, 216120, 226926, 252140, 259344, 264747, 288160, 302568, 324180, 345792, 352996, 378210, 403424, 432240, 441245, 453852, 504280, 518688, 529494, 567315, 576320, 605136, 648360, 705992, 756420, 794241, 806848, 864480, 882490, 907704, 1008560, 1037376, 1058988, 1134630, 1210272, 1296720, 1323735, 1411984, 1512840, 1588482, 1728960, 1764980, 1815408, 2017120, 2117976, 2269260, 2420544, 2593440, 2647470, 2823968, 3025680, 3176964, 3529960, 3630816, 3971205, 4034240, 4235952, 4538520, 5186880, 5294940, 5647936, 6051360, 6353928, 7059920, 7261632, 7942410, 8471904, 9077040, 10589880, 12102720, 12707856, 14119840, 15884820, 16943808, 18154080, 21179760, 25415712, 28239680, 31769640, 36308160, 42359520, 50831424, 63539280, 84719040, 127078560, 254157120]

約数ペア:

[(1, 254157120), (2, 127078560), (3, 84719040), (4, 63539280), (5, 50831424), (6, 42359520), (7, 36308160), (8, 31769640), (9, 28239680), (10, 25415712), (12, 21179760), (14, 18154080), (15, 16943808), (16, 15884820), (18, 14119840), (20, 12707856), (21, 12102720), (24, 10589880), (28, 9077040), (30, 8471904), (32, 7942410), (35, 7261632), (36, 7059920), (40, 6353928), (42, 6051360), (45, 5647936), (48, 5294940), (49, 5186880), (56, 4538520), (60, 4235952), (63, 4034240), (64, 3971205), (70, 3630816), (72, 3529960), (80, 3176964), (84, 3025680), (90, 2823968), (96, 2647470), (98, 2593440), (105, 2420544), (112, 2269260), (120, 2117976), (126, 2017120), (140, 1815408), (144, 1764980), (147, 1728960), (160, 1588482), (168, 1512840), (180, 1411984), (192, 1323735), (196, 1296720), (210, 1210272), (224, 1134630), (240, 1058988), (245, 1037376), (252, 1008560), (280, 907704), (288, 882490), (294, 864480), (315, 806848), (320, 794241), (336, 756420), (360, 705992), (392, 648360), (420, 605136), (441, 576320), (448, 567315), (480, 529494), (490, 518688), (504, 504280), (560, 453852), (576, 441245), (588, 432240), (630, 403424), (672, 378210), (720, 352996), (735, 345792), (784, 324180), (840, 302568), (882, 288160), (960, 264747), (980, 259344), (1008, 252140), (1120, 226926), (1176, 216120), (1260, 201712), (1344, 189105), (1440, 176498), (1470, 172896), (1568, 162090), (1680, 151284), (1764, 144080), (1801, 141120), (1960, 129672), (2016, 126070), (2205, 115264), (2240, 113463), (2352, 108060), (2520, 100856), (2880, 88249), (2940, 86448), (3136, 81045), (3360, 75642), (3528, 72040), (3602, 70560), (3920, 64836), (4032, 63035), (4410, 57632), (4704, 54030), (5040, 50428), (5403, 47040), (5880, 43224), (6720, 37821), (7056, 36020), (7204, 35280), (7840, 32418), (8820, 28816), (9005, 28224), (9408, 27015), (10080, 25214), (10806, 23520), (11760, 21612), (12607, 20160), (14112, 18010), (14408, 17640), (15680, 16209)]