19597680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 160

約数和(自身を含む): 69400320

約数和(自身を除く): 49802640

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, 211, 215, 216, 240, 258, 270, 344, 360, 387, 422, 430, 432, 516, 540, 633, 645, 688, 720, 774, 844, 860, 1032, 1055, 1080, 1161, 1266, 1290, 1548, 1688, 1720, 1899, 1935, 2064, 2110, 2160, 2322, 2532, 2580, 3096, 3165, 3376, 3440, 3798, 3870, 4220, 4644, 5064, 5160, 5697, 5805, 6192, 6330, 7596, 7740, 8440, 9073, 9288, 9495, 10128, 10320, 11394, 11610, 12660, 15192, 15480, 16880, 18146, 18576, 18990, 22788, 23220, 25320, 27219, 28485, 30384, 30960, 36292, 37980, 45365, 45576, 46440, 50640, 54438, 56970, 72584, 75960, 81657, 90730, 91152, 92880, 108876, 113940, 136095, 145168, 151920, 163314, 181460, 217752, 227880, 244971, 272190, 326628, 362920, 408285, 435504, 455760, 489942, 544380, 653256, 725840, 816570, 979884, 1088760, 1224855, 1306512, 1633140, 1959768, 2177520, 2449710, 3266280, 3919536, 4899420, 6532560, 9798840, 19597680]

約数ペア:

[(1, 19597680), (2, 9798840), (3, 6532560), (4, 4899420), (5, 3919536), (6, 3266280), (8, 2449710), (9, 2177520), (10, 1959768), (12, 1633140), (15, 1306512), (16, 1224855), (18, 1088760), (20, 979884), (24, 816570), (27, 725840), (30, 653256), (36, 544380), (40, 489942), (43, 455760), (45, 435504), (48, 408285), (54, 362920), (60, 326628), (72, 272190), (80, 244971), (86, 227880), (90, 217752), (108, 181460), (120, 163314), (129, 151920), (135, 145168), (144, 136095), (172, 113940), (180, 108876), (211, 92880), (215, 91152), (216, 90730), (240, 81657), (258, 75960), (270, 72584), (344, 56970), (360, 54438), (387, 50640), (422, 46440), (430, 45576), (432, 45365), (516, 37980), (540, 36292), (633, 30960), (645, 30384), (688, 28485), (720, 27219), (774, 25320), (844, 23220), (860, 22788), (1032, 18990), (1055, 18576), (1080, 18146), (1161, 16880), (1266, 15480), (1290, 15192), (1548, 12660), (1688, 11610), (1720, 11394), (1899, 10320), (1935, 10128), (2064, 9495), (2110, 9288), (2160, 9073), (2322, 8440), (2532, 7740), (2580, 7596), (3096, 6330), (3165, 6192), (3376, 5805), (3440, 5697), (3798, 5160), (3870, 5064), (4220, 4644)]