281540480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 772772400

約数和(自身を除く): 491231920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 137, 152, 160, 169, 190, 208, 247, 260, 274, 304, 320, 338, 380, 416, 494, 520, 548, 608, 640, 676, 685, 760, 832, 845, 988, 1040, 1096, 1216, 1235, 1352, 1370, 1520, 1664, 1690, 1781, 1976, 2080, 2192, 2432, 2470, 2603, 2704, 2740, 3040, 3211, 3380, 3562, 3952, 4160, 4384, 4940, 5206, 5408, 5480, 6080, 6422, 6760, 7124, 7904, 8320, 8768, 8905, 9880, 10412, 10816, 10960, 12160, 12844, 13015, 13520, 14248, 15808, 16055, 17536, 17810, 19760, 20824, 21632, 21920, 23153, 25688, 26030, 27040, 28496, 31616, 32110, 33839, 35620, 39520, 41648, 43840, 46306, 51376, 52060, 54080, 56992, 64220, 67678, 71240, 79040, 83296, 87680, 92612, 102752, 104120, 108160, 113984, 115765, 128440, 135356, 142480, 158080, 166592, 169195, 185224, 205504, 208240, 227968, 231530, 256880, 270712, 284960, 333184, 338390, 370448, 411008, 416480, 439907, 463060, 513760, 541424, 569920, 676780, 740896, 832960, 879814, 926120, 1027520, 1082848, 1139840, 1353560, 1481792, 1665920, 1759628, 1852240, 2055040, 2165696, 2199535, 2707120, 2963584, 3519256, 3704480, 4331392, 4399070, 5414240, 7038512, 7408960, 8798140, 10828480, 14077024, 14817920, 17596280, 21656960, 28154048, 35192560, 56308096, 70385120, 140770240, 281540480]

約数ペア:

[(1, 281540480), (2, 140770240), (4, 70385120), (5, 56308096), (8, 35192560), (10, 28154048), (13, 21656960), (16, 17596280), (19, 14817920), (20, 14077024), (26, 10828480), (32, 8798140), (38, 7408960), (40, 7038512), (52, 5414240), (64, 4399070), (65, 4331392), (76, 3704480), (80, 3519256), (95, 2963584), (104, 2707120), (128, 2199535), (130, 2165696), (137, 2055040), (152, 1852240), (160, 1759628), (169, 1665920), (190, 1481792), (208, 1353560), (247, 1139840), (260, 1082848), (274, 1027520), (304, 926120), (320, 879814), (338, 832960), (380, 740896), (416, 676780), (494, 569920), (520, 541424), (548, 513760), (608, 463060), (640, 439907), (676, 416480), (685, 411008), (760, 370448), (832, 338390), (845, 333184), (988, 284960), (1040, 270712), (1096, 256880), (1216, 231530), (1235, 227968), (1352, 208240), (1370, 205504), (1520, 185224), (1664, 169195), (1690, 166592), (1781, 158080), (1976, 142480), (2080, 135356), (2192, 128440), (2432, 115765), (2470, 113984), (2603, 108160), (2704, 104120), (2740, 102752), (3040, 92612), (3211, 87680), (3380, 83296), (3562, 79040), (3952, 71240), (4160, 67678), (4384, 64220), (4940, 56992), (5206, 54080), (5408, 52060), (5480, 51376), (6080, 46306), (6422, 43840), (6760, 41648), (7124, 39520), (7904, 35620), (8320, 33839), (8768, 32110), (8905, 31616), (9880, 28496), (10412, 27040), (10816, 26030), (10960, 25688), (12160, 23153), (12844, 21920), (13015, 21632), (13520, 20824), (14248, 19760), (15808, 17810), (16055, 17536)]