208686400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 168

約数和(自身を含む): 564408320

約数和(自身を除く): 355721920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 79, 80, 100, 104, 127, 130, 158, 160, 200, 208, 254, 260, 316, 320, 325, 395, 400, 416, 508, 520, 632, 635, 650, 790, 800, 832, 1016, 1027, 1040, 1264, 1270, 1300, 1580, 1600, 1651, 1975, 2032, 2054, 2080, 2528, 2540, 2600, 3160, 3175, 3302, 3950, 4064, 4108, 4160, 5056, 5080, 5135, 5200, 6320, 6350, 6604, 7900, 8128, 8216, 8255, 10033, 10160, 10270, 10400, 12640, 12700, 13208, 15800, 16432, 16510, 20066, 20320, 20540, 20800, 25280, 25400, 25675, 26416, 31600, 32864, 33020, 40132, 40640, 41080, 41275, 50165, 50800, 51350, 52832, 63200, 65728, 66040, 80264, 82160, 82550, 100330, 101600, 102700, 105664, 126400, 130429, 132080, 160528, 164320, 165100, 200660, 203200, 205400, 250825, 260858, 264160, 321056, 328640, 330200, 401320, 410800, 501650, 521716, 528320, 642112, 652145, 660400, 802640, 821600, 1003300, 1043432, 1304290, 1320800, 1605280, 1643200, 2006600, 2086864, 2608580, 2641600, 3210560, 3260725, 4013200, 4173728, 5217160, 6521450, 8026400, 8347456, 10434320, 13042900, 16052800, 20868640, 26085800, 41737280, 52171600, 104343200, 208686400]

約数ペア:

[(1, 208686400), (2, 104343200), (4, 52171600), (5, 41737280), (8, 26085800), (10, 20868640), (13, 16052800), (16, 13042900), (20, 10434320), (25, 8347456), (26, 8026400), (32, 6521450), (40, 5217160), (50, 4173728), (52, 4013200), (64, 3260725), (65, 3210560), (79, 2641600), (80, 2608580), (100, 2086864), (104, 2006600), (127, 1643200), (130, 1605280), (158, 1320800), (160, 1304290), (200, 1043432), (208, 1003300), (254, 821600), (260, 802640), (316, 660400), (320, 652145), (325, 642112), (395, 528320), (400, 521716), (416, 501650), (508, 410800), (520, 401320), (632, 330200), (635, 328640), (650, 321056), (790, 264160), (800, 260858), (832, 250825), (1016, 205400), (1027, 203200), (1040, 200660), (1264, 165100), (1270, 164320), (1300, 160528), (1580, 132080), (1600, 130429), (1651, 126400), (1975, 105664), (2032, 102700), (2054, 101600), (2080, 100330), (2528, 82550), (2540, 82160), (2600, 80264), (3160, 66040), (3175, 65728), (3302, 63200), (3950, 52832), (4064, 51350), (4108, 50800), (4160, 50165), (5056, 41275), (5080, 41080), (5135, 40640), (5200, 40132), (6320, 33020), (6350, 32864), (6604, 31600), (7900, 26416), (8128, 25675), (8216, 25400), (8255, 25280), (10033, 20800), (10160, 20540), (10270, 20320), (10400, 20066), (12640, 16510), (12700, 16432), (13208, 15800)]