81755040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 280215936

約数和(自身を除く): 198460896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 43, 48, 51, 60, 68, 80, 85, 86, 96, 102, 120, 129, 136, 160, 170, 172, 204, 215, 233, 240, 255, 258, 272, 340, 344, 408, 430, 466, 480, 510, 516, 544, 645, 680, 688, 699, 731, 816, 860, 932, 1020, 1032, 1165, 1290, 1360, 1376, 1398, 1462, 1632, 1720, 1864, 2040, 2064, 2193, 2330, 2580, 2720, 2796, 2924, 3440, 3495, 3655, 3728, 3961, 4080, 4128, 4386, 4660, 5160, 5592, 5848, 6880, 6990, 7310, 7456, 7922, 8160, 8772, 9320, 10019, 10320, 10965, 11184, 11696, 11883, 13980, 14620, 15844, 17544, 18640, 19805, 20038, 20640, 21930, 22368, 23392, 23766, 27960, 29240, 30057, 31688, 35088, 37280, 39610, 40076, 43860, 47532, 50095, 55920, 58480, 59415, 60114, 63376, 70176, 79220, 80152, 87720, 95064, 100190, 111840, 116960, 118830, 120228, 126752, 150285, 158440, 160304, 170323, 175440, 190128, 200380, 237660, 240456, 300570, 316880, 320608, 340646, 350880, 380256, 400760, 475320, 480912, 510969, 601140, 633760, 681292, 801520, 851615, 950640, 961824, 1021938, 1202280, 1362584, 1603040, 1703230, 1901280, 2043876, 2404560, 2554845, 2725168, 3406460, 4087752, 4809120, 5109690, 5450336, 6812920, 8175504, 10219380, 13625840, 16351008, 20438760, 27251680, 40877520, 81755040]

約数ペア:

[(1, 81755040), (2, 40877520), (3, 27251680), (4, 20438760), (5, 16351008), (6, 13625840), (8, 10219380), (10, 8175504), (12, 6812920), (15, 5450336), (16, 5109690), (17, 4809120), (20, 4087752), (24, 3406460), (30, 2725168), (32, 2554845), (34, 2404560), (40, 2043876), (43, 1901280), (48, 1703230), (51, 1603040), (60, 1362584), (68, 1202280), (80, 1021938), (85, 961824), (86, 950640), (96, 851615), (102, 801520), (120, 681292), (129, 633760), (136, 601140), (160, 510969), (170, 480912), (172, 475320), (204, 400760), (215, 380256), (233, 350880), (240, 340646), (255, 320608), (258, 316880), (272, 300570), (340, 240456), (344, 237660), (408, 200380), (430, 190128), (466, 175440), (480, 170323), (510, 160304), (516, 158440), (544, 150285), (645, 126752), (680, 120228), (688, 118830), (699, 116960), (731, 111840), (816, 100190), (860, 95064), (932, 87720), (1020, 80152), (1032, 79220), (1165, 70176), (1290, 63376), (1360, 60114), (1376, 59415), (1398, 58480), (1462, 55920), (1632, 50095), (1720, 47532), (1864, 43860), (2040, 40076), (2064, 39610), (2193, 37280), (2330, 35088), (2580, 31688), (2720, 30057), (2796, 29240), (2924, 27960), (3440, 23766), (3495, 23392), (3655, 22368), (3728, 21930), (3961, 20640), (4080, 20038), (4128, 19805), (4386, 18640), (4660, 17544), (5160, 15844), (5592, 14620), (5848, 13980), (6880, 11883), (6990, 11696), (7310, 11184), (7456, 10965), (7922, 10320), (8160, 10019), (8772, 9320)]