138985320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1435

約数の個数: 128

約数和(自身を含む): 447171840

約数和(自身を除く): 308186520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 690, 740, 851, 888, 920, 1110, 1361, 1380, 1480, 1702, 2220, 2553, 2722, 2760, 3404, 4083, 4255, 4440, 5106, 5444, 6805, 6808, 8166, 8510, 10212, 10888, 12765, 13610, 16332, 17020, 20415, 20424, 25530, 27220, 31303, 32664, 34040, 40830, 50357, 51060, 54440, 62606, 81660, 93909, 100714, 102120, 125212, 151071, 156515, 163320, 187818, 201428, 250424, 251785, 302142, 313030, 375636, 402856, 469545, 503570, 604284, 626060, 751272, 755355, 939090, 1007140, 1158211, 1208568, 1252120, 1510710, 1878180, 2014280, 2316422, 3021420, 3474633, 3756360, 4632844, 5791055, 6042840, 6949266, 9265688, 11582110, 13898532, 17373165, 23164220, 27797064, 34746330, 46328440, 69492660, 138985320]

約数ペア:

[(1, 138985320), (2, 69492660), (3, 46328440), (4, 34746330), (5, 27797064), (6, 23164220), (8, 17373165), (10, 13898532), (12, 11582110), (15, 9265688), (20, 6949266), (23, 6042840), (24, 5791055), (30, 4632844), (37, 3756360), (40, 3474633), (46, 3021420), (60, 2316422), (69, 2014280), (74, 1878180), (92, 1510710), (111, 1252120), (115, 1208568), (120, 1158211), (138, 1007140), (148, 939090), (184, 755355), (185, 751272), (222, 626060), (230, 604284), (276, 503570), (296, 469545), (345, 402856), (370, 375636), (444, 313030), (460, 302142), (552, 251785), (555, 250424), (690, 201428), (740, 187818), (851, 163320), (888, 156515), (920, 151071), (1110, 125212), (1361, 102120), (1380, 100714), (1480, 93909), (1702, 81660), (2220, 62606), (2553, 54440), (2722, 51060), (2760, 50357), (3404, 40830), (4083, 34040), (4255, 32664), (4440, 31303), (5106, 27220), (5444, 25530), (6805, 20424), (6808, 20415), (8166, 17020), (8510, 16332), (10212, 13610), (10888, 12765)]