1289081520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13879}}^1$

素因数の和:13944

約数の個数: 160

約数和(自身を含む): 4543756800

約数和(自身を除く): 3254675280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 108, 120, 129, 135, 144, 172, 180, 215, 216, 240, 258, 270, 344, 360, 387, 430, 432, 516, 540, 645, 688, 720, 774, 860, 1032, 1080, 1161, 1290, 1548, 1720, 1935, 2064, 2160, 2322, 2580, 3096, 3440, 3870, 4644, 5160, 5805, 6192, 7740, 9288, 10320, 11610, 13879, 15480, 18576, 23220, 27758, 30960, 41637, 46440, 55516, 69395, 83274, 92880, 111032, 124911, 138790, 166548, 208185, 222064, 249822, 277580, 333096, 374733, 416370, 499644, 555160, 596797, 624555, 666192, 749466, 832740, 999288, 1110320, 1193594, 1249110, 1498932, 1665480, 1790391, 1873665, 1998576, 2387188, 2498220, 2983985, 2997864, 3330960, 3580782, 3747330, 4774376, 4996440, 5371173, 5967970, 5995728, 7161564, 7494660, 8951955, 9548752, 9992880, 10742346, 11935940, 14323128, 14989320, 16113519, 17903910, 21484692, 23871880, 26855865, 28646256, 29978640, 32227038, 35807820, 42969384, 47743760, 53711730, 64454076, 71615640, 80567595, 85938768, 107423460, 128908152, 143231280, 161135190, 214846920, 257816304, 322270380, 429693840, 644540760, 1289081520]

約数ペア:

[(1, 1289081520), (2, 644540760), (3, 429693840), (4, 322270380), (5, 257816304), (6, 214846920), (8, 161135190), (9, 143231280), (10, 128908152), (12, 107423460), (15, 85938768), (16, 80567595), (18, 71615640), (20, 64454076), (24, 53711730), (27, 47743760), (30, 42969384), (36, 35807820), (40, 32227038), (43, 29978640), (45, 28646256), (48, 26855865), (54, 23871880), (60, 21484692), (72, 17903910), (80, 16113519), (86, 14989320), (90, 14323128), (108, 11935940), (120, 10742346), (129, 9992880), (135, 9548752), (144, 8951955), (172, 7494660), (180, 7161564), (215, 5995728), (216, 5967970), (240, 5371173), (258, 4996440), (270, 4774376), (344, 3747330), (360, 3580782), (387, 3330960), (430, 2997864), (432, 2983985), (516, 2498220), (540, 2387188), (645, 1998576), (688, 1873665), (720, 1790391), (774, 1665480), (860, 1498932), (1032, 1249110), (1080, 1193594), (1161, 1110320), (1290, 999288), (1548, 832740), (1720, 749466), (1935, 666192), (2064, 624555), (2160, 596797), (2322, 555160), (2580, 499644), (3096, 416370), (3440, 374733), (3870, 333096), (4644, 277580), (5160, 249822), (5805, 222064), (6192, 208185), (7740, 166548), (9288, 138790), (10320, 124911), (11610, 111032), (13879, 92880), (15480, 83274), (18576, 69395), (23220, 55516), (27758, 46440), (30960, 41637)]