521131520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2237}}^1$

素因数の和:2280

約数の個数: 160

約数和(自身を含む): 1538526528

約数和(自身を除く): 1017395008

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 512, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2237, 2240, 2560, 2912, 3328, 3584, 3640, 4160, 4474, 4480, 5824, 6656, 7280, 8320, 8948, 8960, 11185, 11648, 14560, 15659, 16640, 17896, 17920, 22370, 23296, 29081, 29120, 31318, 33280, 35792, 44740, 46592, 58162, 58240, 62636, 71584, 78295, 89480, 116324, 116480, 125272, 143168, 145405, 156590, 178960, 203567, 232648, 232960, 250544, 286336, 290810, 313180, 357920, 407134, 465296, 501088, 572672, 581620, 626360, 715840, 814268, 930592, 1002176, 1017835, 1145344, 1163240, 1252720, 1431680, 1628536, 1861184, 2004352, 2035670, 2326480, 2505440, 2863360, 3257072, 3722368, 4008704, 4071340, 4652960, 5010880, 5726720, 6514144, 7444736, 8017408, 8142680, 9305920, 10021760, 13028288, 14889472, 16285360, 18611840, 20043520, 26056576, 32570720, 37223680, 40087040, 52113152, 65141440, 74447360, 104226304, 130282880, 260565760, 521131520]

約数ペア:

[(1, 521131520), (2, 260565760), (4, 130282880), (5, 104226304), (7, 74447360), (8, 65141440), (10, 52113152), (13, 40087040), (14, 37223680), (16, 32570720), (20, 26056576), (26, 20043520), (28, 18611840), (32, 16285360), (35, 14889472), (40, 13028288), (52, 10021760), (56, 9305920), (64, 8142680), (65, 8017408), (70, 7444736), (80, 6514144), (91, 5726720), (104, 5010880), (112, 4652960), (128, 4071340), (130, 4008704), (140, 3722368), (160, 3257072), (182, 2863360), (208, 2505440), (224, 2326480), (256, 2035670), (260, 2004352), (280, 1861184), (320, 1628536), (364, 1431680), (416, 1252720), (448, 1163240), (455, 1145344), (512, 1017835), (520, 1002176), (560, 930592), (640, 814268), (728, 715840), (832, 626360), (896, 581620), (910, 572672), (1040, 501088), (1120, 465296), (1280, 407134), (1456, 357920), (1664, 313180), (1792, 290810), (1820, 286336), (2080, 250544), (2237, 232960), (2240, 232648), (2560, 203567), (2912, 178960), (3328, 156590), (3584, 145405), (3640, 143168), (4160, 125272), (4474, 116480), (4480, 116324), (5824, 89480), (6656, 78295), (7280, 71584), (8320, 62636), (8948, 58240), (8960, 58162), (11185, 46592), (11648, 44740), (14560, 35792), (15659, 33280), (16640, 31318), (17896, 29120), (17920, 29081), (22370, 23296)]