1282144640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2089}}^1$

素因数の和:2252

約数の個数: 128

約数和(自身を含む): 3530260800

約数和(自身を除く): 2248116160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 137, 140, 160, 224, 274, 280, 320, 448, 548, 560, 640, 685, 896, 959, 1096, 1120, 1370, 1918, 2089, 2192, 2240, 2740, 3836, 4178, 4384, 4480, 4795, 5480, 7672, 8356, 8768, 9590, 10445, 10960, 14623, 15344, 16712, 17536, 19180, 20890, 21920, 29246, 30688, 33424, 38360, 41780, 43840, 58492, 61376, 66848, 73115, 76720, 83560, 87680, 116984, 122752, 133696, 146230, 153440, 167120, 233968, 267392, 286193, 292460, 306880, 334240, 467936, 572386, 584920, 613760, 668480, 935872, 1144772, 1169840, 1336960, 1430965, 1871744, 2003351, 2289544, 2339680, 2861930, 4006702, 4579088, 4679360, 5723860, 8013404, 9158176, 9358720, 10016755, 11447720, 16026808, 18316352, 20033510, 22895440, 32053616, 36632704, 40067020, 45790880, 64107232, 80134040, 91581760, 128214464, 160268080, 183163520, 256428928, 320536160, 641072320, 1282144640]

約数ペア:

[(1, 1282144640), (2, 641072320), (4, 320536160), (5, 256428928), (7, 183163520), (8, 160268080), (10, 128214464), (14, 91581760), (16, 80134040), (20, 64107232), (28, 45790880), (32, 40067020), (35, 36632704), (40, 32053616), (56, 22895440), (64, 20033510), (70, 18316352), (80, 16026808), (112, 11447720), (128, 10016755), (137, 9358720), (140, 9158176), (160, 8013404), (224, 5723860), (274, 4679360), (280, 4579088), (320, 4006702), (448, 2861930), (548, 2339680), (560, 2289544), (640, 2003351), (685, 1871744), (896, 1430965), (959, 1336960), (1096, 1169840), (1120, 1144772), (1370, 935872), (1918, 668480), (2089, 613760), (2192, 584920), (2240, 572386), (2740, 467936), (3836, 334240), (4178, 306880), (4384, 292460), (4480, 286193), (4795, 267392), (5480, 233968), (7672, 167120), (8356, 153440), (8768, 146230), (9590, 133696), (10445, 122752), (10960, 116984), (14623, 87680), (15344, 83560), (16712, 76720), (17536, 73115), (19180, 66848), (20890, 61376), (21920, 58492), (29246, 43840), (30688, 41780), (33424, 38360)]