28111680

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 168

約数和(自身を含む): 99376992

約数和(自身を除く): 71265312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 64, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 192, 215, 227, 240, 258, 288, 320, 344, 360, 387, 430, 454, 480, 516, 576, 645, 681, 688, 720, 774, 860, 908, 960, 1032, 1135, 1290, 1362, 1376, 1440, 1548, 1720, 1816, 1935, 2043, 2064, 2270, 2580, 2724, 2752, 2880, 3096, 3405, 3440, 3632, 3870, 4086, 4128, 4540, 5160, 5448, 6192, 6810, 6880, 7264, 7740, 8172, 8256, 9080, 9761, 10215, 10320, 10896, 12384, 13620, 13760, 14528, 15480, 16344, 18160, 19522, 20430, 20640, 21792, 24768, 27240, 29283, 30960, 32688, 36320, 39044, 40860, 41280, 43584, 48805, 54480, 58566, 61920, 65376, 72640, 78088, 81720, 87849, 97610, 108960, 117132, 123840, 130752, 146415, 156176, 163440, 175698, 195220, 217920, 234264, 292830, 312352, 326880, 351396, 390440, 439245, 468528, 585660, 624704, 653760, 702792, 780880, 878490, 937056, 1171320, 1405584, 1561760, 1756980, 1874112, 2342640, 2811168, 3123520, 3513960, 4685280, 5622336, 7027920, 9370560, 14055840, 28111680]

約数ペア:

[(1, 28111680), (2, 14055840), (3, 9370560), (4, 7027920), (5, 5622336), (6, 4685280), (8, 3513960), (9, 3123520), (10, 2811168), (12, 2342640), (15, 1874112), (16, 1756980), (18, 1561760), (20, 1405584), (24, 1171320), (30, 937056), (32, 878490), (36, 780880), (40, 702792), (43, 653760), (45, 624704), (48, 585660), (60, 468528), (64, 439245), (72, 390440), (80, 351396), (86, 326880), (90, 312352), (96, 292830), (120, 234264), (129, 217920), (144, 195220), (160, 175698), (172, 163440), (180, 156176), (192, 146415), (215, 130752), (227, 123840), (240, 117132), (258, 108960), (288, 97610), (320, 87849), (344, 81720), (360, 78088), (387, 72640), (430, 65376), (454, 61920), (480, 58566), (516, 54480), (576, 48805), (645, 43584), (681, 41280), (688, 40860), (720, 39044), (774, 36320), (860, 32688), (908, 30960), (960, 29283), (1032, 27240), (1135, 24768), (1290, 21792), (1362, 20640), (1376, 20430), (1440, 19522), (1548, 18160), (1720, 16344), (1816, 15480), (1935, 14528), (2043, 13760), (2064, 13620), (2270, 12384), (2580, 10896), (2724, 10320), (2752, 10215), (2880, 9761), (3096, 9080), (3405, 8256), (3440, 8172), (3632, 7740), (3870, 7264), (4086, 6880), (4128, 6810), (4540, 6192), (5160, 5448)]