71415680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:884

約数の個数: 128

約数和(自身を含む): 205632000

約数和(自身を除く): 134216320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 839, 896, 1064, 1120, 1216, 1330, 1520, 1678, 2128, 2240, 2432, 2660, 3040, 3356, 4195, 4256, 4480, 5320, 5873, 6080, 6712, 8390, 8512, 10640, 11746, 12160, 13424, 15941, 16780, 17024, 21280, 23492, 26848, 29365, 31882, 33560, 42560, 46984, 53696, 58730, 63764, 67120, 79705, 85120, 93968, 107392, 111587, 117460, 127528, 134240, 159410, 187936, 223174, 234920, 255056, 268480, 318820, 375872, 446348, 469840, 510112, 536960, 557935, 637640, 751744, 892696, 939680, 1020224, 1115870, 1275280, 1785392, 1879360, 2040448, 2231740, 2550560, 3570784, 3758720, 4463480, 5101120, 7141568, 8926960, 10202240, 14283136, 17853920, 35707840, 71415680]

約数ペア:

[(1, 71415680), (2, 35707840), (4, 17853920), (5, 14283136), (7, 10202240), (8, 8926960), (10, 7141568), (14, 5101120), (16, 4463480), (19, 3758720), (20, 3570784), (28, 2550560), (32, 2231740), (35, 2040448), (38, 1879360), (40, 1785392), (56, 1275280), (64, 1115870), (70, 1020224), (76, 939680), (80, 892696), (95, 751744), (112, 637640), (128, 557935), (133, 536960), (140, 510112), (152, 469840), (160, 446348), (190, 375872), (224, 318820), (266, 268480), (280, 255056), (304, 234920), (320, 223174), (380, 187936), (448, 159410), (532, 134240), (560, 127528), (608, 117460), (640, 111587), (665, 107392), (760, 93968), (839, 85120), (896, 79705), (1064, 67120), (1120, 63764), (1216, 58730), (1330, 53696), (1520, 46984), (1678, 42560), (2128, 33560), (2240, 31882), (2432, 29365), (2660, 26848), (3040, 23492), (3356, 21280), (4195, 17024), (4256, 16780), (4480, 15941), (5320, 13424), (5873, 12160), (6080, 11746), (6712, 10640), (8390, 8512)]