254071040

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:408

約数の個数: 144

約数和(自身を含む): 663237120

約数和(自身を除く): 409166080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 337, 380, 496, 589, 608, 620, 640, 674, 760, 992, 1178, 1216, 1240, 1280, 1348, 1520, 1685, 1984, 2356, 2432, 2480, 2696, 2945, 3040, 3370, 3968, 4712, 4864, 4960, 5392, 5890, 6080, 6403, 6740, 7936, 9424, 9920, 10447, 10784, 11780, 12160, 12806, 13480, 18848, 19840, 20894, 21568, 23560, 24320, 25612, 26960, 32015, 37696, 39680, 41788, 43136, 47120, 51224, 52235, 53920, 64030, 75392, 83576, 86272, 94240, 102448, 104470, 107840, 128060, 150784, 167152, 188480, 198493, 204896, 208940, 215680, 256120, 334304, 376960, 396986, 409792, 417880, 431360, 512240, 668608, 753920, 793972, 819584, 835760, 992465, 1024480, 1337216, 1587944, 1639168, 1671520, 1984930, 2048960, 2674432, 3175888, 3343040, 3969860, 4097920, 6351776, 6686080, 7939720, 8195840, 12703552, 13372160, 15879440, 25407104, 31758880, 50814208, 63517760, 127035520, 254071040]

約数ペア:

[(1, 254071040), (2, 127035520), (4, 63517760), (5, 50814208), (8, 31758880), (10, 25407104), (16, 15879440), (19, 13372160), (20, 12703552), (31, 8195840), (32, 7939720), (38, 6686080), (40, 6351776), (62, 4097920), (64, 3969860), (76, 3343040), (80, 3175888), (95, 2674432), (124, 2048960), (128, 1984930), (152, 1671520), (155, 1639168), (160, 1587944), (190, 1337216), (248, 1024480), (256, 992465), (304, 835760), (310, 819584), (320, 793972), (337, 753920), (380, 668608), (496, 512240), (589, 431360), (608, 417880), (620, 409792), (640, 396986), (674, 376960), (760, 334304), (992, 256120), (1178, 215680), (1216, 208940), (1240, 204896), (1280, 198493), (1348, 188480), (1520, 167152), (1685, 150784), (1984, 128060), (2356, 107840), (2432, 104470), (2480, 102448), (2696, 94240), (2945, 86272), (3040, 83576), (3370, 75392), (3968, 64030), (4712, 53920), (4864, 52235), (4960, 51224), (5392, 47120), (5890, 43136), (6080, 41788), (6403, 39680), (6740, 37696), (7936, 32015), (9424, 26960), (9920, 25612), (10447, 24320), (10784, 23560), (11780, 21568), (12160, 20894), (12806, 19840), (13480, 18848)]