68131440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 240

約数和(自身を含む): 255921120

約数和(自身を除く): 187789680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 29, 30, 36, 39, 40, 45, 48, 52, 58, 60, 65, 72, 78, 80, 87, 90, 104, 116, 117, 120, 130, 144, 145, 156, 174, 180, 195, 208, 232, 234, 240, 251, 260, 261, 290, 312, 348, 360, 377, 390, 435, 464, 468, 502, 520, 522, 580, 585, 624, 696, 720, 753, 754, 780, 870, 936, 1004, 1040, 1044, 1131, 1160, 1170, 1255, 1305, 1392, 1506, 1508, 1560, 1740, 1872, 1885, 2008, 2088, 2259, 2262, 2320, 2340, 2510, 2610, 3012, 3016, 3120, 3263, 3393, 3480, 3765, 3770, 4016, 4176, 4518, 4524, 4680, 5020, 5220, 5655, 6024, 6032, 6526, 6786, 6960, 7279, 7530, 7540, 9036, 9048, 9360, 9789, 10040, 10440, 11295, 11310, 12048, 13052, 13572, 14558, 15060, 15080, 16315, 16965, 18072, 18096, 19578, 20080, 20880, 21837, 22590, 22620, 26104, 27144, 29116, 29367, 30120, 30160, 32630, 33930, 36144, 36395, 39156, 43674, 45180, 45240, 48945, 52208, 54288, 58232, 58734, 60240, 65260, 65511, 67860, 72790, 78312, 87348, 90360, 90480, 94627, 97890, 109185, 116464, 117468, 130520, 131022, 135720, 145580, 146835, 156624, 174696, 180720, 189254, 195780, 218370, 234936, 261040, 262044, 271440, 283881, 291160, 293670, 327555, 349392, 378508, 391560, 436740, 469872, 473135, 524088, 567762, 582320, 587340, 655110, 757016, 783120, 851643, 873480, 946270, 1048176, 1135524, 1174680, 1310220, 1419405, 1514032, 1703286, 1746960, 1892540, 2271048, 2349360, 2620440, 2838810, 3406572, 3785080, 4258215, 4542096, 5240880, 5677620, 6813144, 7570160, 8516430, 11355240, 13626288, 17032860, 22710480, 34065720, 68131440]

約数ペア:

[(1, 68131440), (2, 34065720), (3, 22710480), (4, 17032860), (5, 13626288), (6, 11355240), (8, 8516430), (9, 7570160), (10, 6813144), (12, 5677620), (13, 5240880), (15, 4542096), (16, 4258215), (18, 3785080), (20, 3406572), (24, 2838810), (26, 2620440), (29, 2349360), (30, 2271048), (36, 1892540), (39, 1746960), (40, 1703286), (45, 1514032), (48, 1419405), (52, 1310220), (58, 1174680), (60, 1135524), (65, 1048176), (72, 946270), (78, 873480), (80, 851643), (87, 783120), (90, 757016), (104, 655110), (116, 587340), (117, 582320), (120, 567762), (130, 524088), (144, 473135), (145, 469872), (156, 436740), (174, 391560), (180, 378508), (195, 349392), (208, 327555), (232, 293670), (234, 291160), (240, 283881), (251, 271440), (260, 262044), (261, 261040), (290, 234936), (312, 218370), (348, 195780), (360, 189254), (377, 180720), (390, 174696), (435, 156624), (464, 146835), (468, 145580), (502, 135720), (520, 131022), (522, 130520), (580, 117468), (585, 116464), (624, 109185), (696, 97890), (720, 94627), (753, 90480), (754, 90360), (780, 87348), (870, 78312), (936, 72790), (1004, 67860), (1040, 65511), (1044, 65260), (1131, 60240), (1160, 58734), (1170, 58232), (1255, 54288), (1305, 52208), (1392, 48945), (1506, 45240), (1508, 45180), (1560, 43674), (1740, 39156), (1872, 36395), (1885, 36144), (2008, 33930), (2088, 32630), (2259, 30160), (2262, 30120), (2320, 29367), (2340, 29116), (2510, 27144), (2610, 26104), (3012, 22620), (3016, 22590), (3120, 21837), (3263, 20880), (3393, 20080), (3480, 19578), (3765, 18096), (3770, 18072), (4016, 16965), (4176, 16315), (4518, 15080), (4524, 15060), (4680, 14558), (5020, 13572), (5220, 13052), (5655, 12048), (6024, 11310), (6032, 11295), (6526, 10440), (6786, 10040), (6960, 9789), (7279, 9360), (7530, 9048), (7540, 9036)]