140855680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1367}}^1$

素因数の和:1416

約数の個数: 128

約数和(自身を含む): 401863680

約数和(自身を除く): 261008000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1288, 1367, 1472, 1610, 1840, 2240, 2576, 2734, 2944, 3220, 3680, 4480, 5152, 5468, 6440, 6835, 7360, 9569, 10304, 10936, 12880, 13670, 14720, 19138, 20608, 21872, 25760, 27340, 31441, 38276, 43744, 47845, 51520, 54680, 62882, 76552, 87488, 95690, 103040, 109360, 125764, 153104, 157205, 174976, 191380, 218720, 220087, 251528, 306208, 314410, 382760, 437440, 440174, 503056, 612416, 628820, 765520, 874880, 880348, 1006112, 1100435, 1224832, 1257640, 1531040, 1760696, 2012224, 2200870, 2515280, 3062080, 3521392, 4024448, 4401740, 5030560, 6124160, 7042784, 8803480, 10061120, 14085568, 17606960, 20122240, 28171136, 35213920, 70427840, 140855680]

約数ペア:

[(1, 140855680), (2, 70427840), (4, 35213920), (5, 28171136), (7, 20122240), (8, 17606960), (10, 14085568), (14, 10061120), (16, 8803480), (20, 7042784), (23, 6124160), (28, 5030560), (32, 4401740), (35, 4024448), (40, 3521392), (46, 3062080), (56, 2515280), (64, 2200870), (70, 2012224), (80, 1760696), (92, 1531040), (112, 1257640), (115, 1224832), (128, 1100435), (140, 1006112), (160, 880348), (161, 874880), (184, 765520), (224, 628820), (230, 612416), (280, 503056), (320, 440174), (322, 437440), (368, 382760), (448, 314410), (460, 306208), (560, 251528), (640, 220087), (644, 218720), (736, 191380), (805, 174976), (896, 157205), (920, 153104), (1120, 125764), (1288, 109360), (1367, 103040), (1472, 95690), (1610, 87488), (1840, 76552), (2240, 62882), (2576, 54680), (2734, 51520), (2944, 47845), (3220, 43744), (3680, 38276), (4480, 31441), (5152, 27340), (5468, 25760), (6440, 21872), (6835, 20608), (7360, 19138), (9569, 14720), (10304, 13670), (10936, 12880)]