78889860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 288

約数和(自身を含む): 301916160

約数和(自身を除く): 223026300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 29, 30, 34, 35, 36, 42, 45, 51, 58, 60, 63, 68, 70, 84, 85, 87, 90, 102, 105, 116, 119, 126, 127, 140, 145, 153, 170, 174, 180, 203, 204, 210, 238, 252, 254, 255, 261, 290, 306, 315, 340, 348, 357, 381, 406, 420, 435, 476, 493, 508, 510, 522, 580, 595, 609, 612, 630, 635, 714, 762, 765, 812, 870, 889, 986, 1015, 1020, 1044, 1071, 1143, 1190, 1218, 1260, 1270, 1305, 1428, 1479, 1524, 1530, 1740, 1778, 1785, 1827, 1905, 1972, 2030, 2142, 2159, 2286, 2380, 2436, 2465, 2540, 2610, 2667, 2958, 3045, 3060, 3451, 3556, 3570, 3654, 3683, 3810, 4060, 4284, 4318, 4437, 4445, 4572, 4930, 5220, 5334, 5355, 5715, 5916, 6090, 6477, 6902, 7140, 7308, 7366, 7395, 7620, 8001, 8636, 8874, 8890, 9135, 9860, 10353, 10668, 10710, 10795, 11049, 11430, 12180, 12954, 13335, 13804, 14732, 14790, 15113, 16002, 17255, 17748, 17780, 18270, 18415, 19431, 20706, 21420, 21590, 22098, 22185, 22860, 25781, 25908, 26670, 29580, 30226, 31059, 32004, 32385, 33147, 34510, 36540, 36830, 38862, 40005, 41412, 43180, 44196, 44370, 45339, 51562, 51765, 53340, 55245, 60452, 62118, 62611, 64770, 66294, 69020, 73660, 75565, 77343, 77724, 80010, 88740, 90678, 97155, 103124, 103530, 110490, 124236, 125222, 128905, 129540, 132588, 136017, 151130, 154686, 155295, 160020, 165735, 181356, 187833, 194310, 207060, 220980, 226695, 232029, 250444, 257810, 272034, 302260, 309372, 310590, 313055, 331470, 375666, 386715, 388620, 438277, 453390, 464058, 515620, 544068, 563499, 621180, 626110, 662940, 680085, 751332, 773430, 876554, 906780, 928116, 939165, 1126998, 1160145, 1252220, 1314831, 1360170, 1546860, 1753108, 1878330, 2191385, 2253996, 2320290, 2629662, 2720340, 2817495, 3756660, 3944493, 4382770, 4640580, 5259324, 5634990, 6574155, 7888986, 8765540, 11269980, 13148310, 15777972, 19722465, 26296620, 39444930, 78889860]

約数ペア:

[(1, 78889860), (2, 39444930), (3, 26296620), (4, 19722465), (5, 15777972), (6, 13148310), (7, 11269980), (9, 8765540), (10, 7888986), (12, 6574155), (14, 5634990), (15, 5259324), (17, 4640580), (18, 4382770), (20, 3944493), (21, 3756660), (28, 2817495), (29, 2720340), (30, 2629662), (34, 2320290), (35, 2253996), (36, 2191385), (42, 1878330), (45, 1753108), (51, 1546860), (58, 1360170), (60, 1314831), (63, 1252220), (68, 1160145), (70, 1126998), (84, 939165), (85, 928116), (87, 906780), (90, 876554), (102, 773430), (105, 751332), (116, 680085), (119, 662940), (126, 626110), (127, 621180), (140, 563499), (145, 544068), (153, 515620), (170, 464058), (174, 453390), (180, 438277), (203, 388620), (204, 386715), (210, 375666), (238, 331470), (252, 313055), (254, 310590), (255, 309372), (261, 302260), (290, 272034), (306, 257810), (315, 250444), (340, 232029), (348, 226695), (357, 220980), (381, 207060), (406, 194310), (420, 187833), (435, 181356), (476, 165735), (493, 160020), (508, 155295), (510, 154686), (522, 151130), (580, 136017), (595, 132588), (609, 129540), (612, 128905), (630, 125222), (635, 124236), (714, 110490), (762, 103530), (765, 103124), (812, 97155), (870, 90678), (889, 88740), (986, 80010), (1015, 77724), (1020, 77343), (1044, 75565), (1071, 73660), (1143, 69020), (1190, 66294), (1218, 64770), (1260, 62611), (1270, 62118), (1305, 60452), (1428, 55245), (1479, 53340), (1524, 51765), (1530, 51562), (1740, 45339), (1778, 44370), (1785, 44196), (1827, 43180), (1905, 41412), (1972, 40005), (2030, 38862), (2142, 36830), (2159, 36540), (2286, 34510), (2380, 33147), (2436, 32385), (2465, 32004), (2540, 31059), (2610, 30226), (2667, 29580), (2958, 26670), (3045, 25908), (3060, 25781), (3451, 22860), (3556, 22185), (3570, 22098), (3654, 21590), (3683, 21420), (3810, 20706), (4060, 19431), (4284, 18415), (4318, 18270), (4437, 17780), (4445, 17748), (4572, 17255), (4930, 16002), (5220, 15113), (5334, 14790), (5355, 14732), (5715, 13804), (5916, 13335), (6090, 12954), (6477, 12180), (6902, 11430), (7140, 11049), (7308, 10795), (7366, 10710), (7395, 10668), (7620, 10353), (8001, 9860), (8636, 9135), (8874, 8890)]