256645565560

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{11863}}^1$

素因数の和:12125

約数の個数: 128

約数和(自身を含む): 599654016000

約数和(自身を除く): 343008450440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 89, 103, 118, 178, 206, 236, 295, 356, 412, 445, 472, 515, 590, 712, 824, 890, 1030, 1180, 1780, 2060, 2360, 3560, 4120, 5251, 6077, 9167, 10502, 11863, 12154, 18334, 21004, 23726, 24308, 26255, 30385, 36668, 42008, 45835, 47452, 48616, 52510, 59315, 60770, 73336, 91670, 94904, 105020, 118630, 121540, 183340, 210040, 237260, 243080, 366680, 474520, 540853, 699917, 1055807, 1081706, 1221889, 1399834, 2111614, 2163412, 2443778, 2704265, 2799668, 3499585, 4223228, 4326824, 4887556, 5279035, 5408530, 5599336, 6109445, 6999170, 8446456, 9775112, 10558070, 10817060, 12218890, 13998340, 21116140, 21634120, 24437780, 27996680, 42232280, 48875560, 62292613, 72091451, 108748121, 124585226, 144182902, 217496242, 249170452, 288365804, 311463065, 360457255, 434992484, 498340904, 543740605, 576731608, 622926130, 720914510, 869984968, 1087481210, 1245852260, 1441829020, 2174962420, 2491704520, 2883658040, 4349924840, 6416139139, 12832278278, 25664556556, 32080695695, 51329113112, 64161391390, 128322782780, 256645565560]

約数ペア:

[(1, 256645565560), (2, 128322782780), (4, 64161391390), (5, 51329113112), (8, 32080695695), (10, 25664556556), (20, 12832278278), (40, 6416139139), (59, 4349924840), (89, 2883658040), (103, 2491704520), (118, 2174962420), (178, 1441829020), (206, 1245852260), (236, 1087481210), (295, 869984968), (356, 720914510), (412, 622926130), (445, 576731608), (472, 543740605), (515, 498340904), (590, 434992484), (712, 360457255), (824, 311463065), (890, 288365804), (1030, 249170452), (1180, 217496242), (1780, 144182902), (2060, 124585226), (2360, 108748121), (3560, 72091451), (4120, 62292613), (5251, 48875560), (6077, 42232280), (9167, 27996680), (10502, 24437780), (11863, 21634120), (12154, 21116140), (18334, 13998340), (21004, 12218890), (23726, 10817060), (24308, 10558070), (26255, 9775112), (30385, 8446456), (36668, 6999170), (42008, 6109445), (45835, 5599336), (47452, 5408530), (48616, 5279035), (52510, 4887556), (59315, 4326824), (60770, 4223228), (73336, 3499585), (91670, 2799668), (94904, 2704265), (105020, 2443778), (118630, 2163412), (121540, 2111614), (183340, 1399834), (210040, 1221889), (237260, 1081706), (243080, 1055807), (366680, 699917), (474520, 540853)]