21257291520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9661}}^1$

素因数の和:9879

約数の個数: 216

約数和(自身を含む): 73940735232

約数和(自身を除く): 52683443712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 191, 192, 240, 256, 288, 320, 360, 382, 384, 480, 573, 576, 640, 720, 764, 768, 955, 960, 1146, 1152, 1280, 1440, 1528, 1719, 1910, 1920, 2292, 2304, 2865, 2880, 3056, 3438, 3820, 3840, 4584, 5730, 5760, 6112, 6876, 7640, 8595, 9168, 9661, 11460, 11520, 12224, 13752, 15280, 17190, 18336, 19322, 22920, 24448, 27504, 28983, 30560, 34380, 36672, 38644, 45840, 48305, 48896, 55008, 57966, 61120, 68760, 73344, 77288, 86949, 91680, 96610, 110016, 115932, 122240, 137520, 144915, 146688, 154576, 173898, 183360, 193220, 220032, 231864, 244480, 275040, 289830, 309152, 347796, 366720, 386440, 434745, 440064, 463728, 550080, 579660, 618304, 695592, 733440, 772880, 869490, 927456, 1100160, 1159320, 1236608, 1391184, 1545760, 1738980, 1845251, 1854912, 2200320, 2318640, 2473216, 2782368, 3091520, 3477960, 3690502, 3709824, 4637280, 5535753, 5564736, 6183040, 6955920, 7381004, 7419648, 9226255, 9274560, 11071506, 11129472, 12366080, 13911840, 14762008, 16607259, 18452510, 18549120, 22143012, 22258944, 27678765, 27823680, 29524016, 33214518, 36905020, 37098240, 44286024, 55357530, 55647360, 59048032, 66429036, 73810040, 83036295, 88572048, 110715060, 111294720, 118096064, 132858072, 147620080, 166072590, 177144096, 221430120, 236192128, 265716144, 295240160, 332145180, 354288192, 442860240, 472384256, 531432288, 590480320, 664290360, 708576384, 885720480, 1062864576, 1180960640, 1328580720, 1417152768, 1771440960, 2125729152, 2361921280, 2657161440, 3542881920, 4251458304, 5314322880, 7085763840, 10628645760, 21257291520]

約数ペア:

[(1, 21257291520), (2, 10628645760), (3, 7085763840), (4, 5314322880), (5, 4251458304), (6, 3542881920), (8, 2657161440), (9, 2361921280), (10, 2125729152), (12, 1771440960), (15, 1417152768), (16, 1328580720), (18, 1180960640), (20, 1062864576), (24, 885720480), (30, 708576384), (32, 664290360), (36, 590480320), (40, 531432288), (45, 472384256), (48, 442860240), (60, 354288192), (64, 332145180), (72, 295240160), (80, 265716144), (90, 236192128), (96, 221430120), (120, 177144096), (128, 166072590), (144, 147620080), (160, 132858072), (180, 118096064), (191, 111294720), (192, 110715060), (240, 88572048), (256, 83036295), (288, 73810040), (320, 66429036), (360, 59048032), (382, 55647360), (384, 55357530), (480, 44286024), (573, 37098240), (576, 36905020), (640, 33214518), (720, 29524016), (764, 27823680), (768, 27678765), (955, 22258944), (960, 22143012), (1146, 18549120), (1152, 18452510), (1280, 16607259), (1440, 14762008), (1528, 13911840), (1719, 12366080), (1910, 11129472), (1920, 11071506), (2292, 9274560), (2304, 9226255), (2865, 7419648), (2880, 7381004), (3056, 6955920), (3438, 6183040), (3820, 5564736), (3840, 5535753), (4584, 4637280), (5730, 3709824), (5760, 3690502), (6112, 3477960), (6876, 3091520), (7640, 2782368), (8595, 2473216), (9168, 2318640), (9661, 2200320), (11460, 1854912), (11520, 1845251), (12224, 1738980), (13752, 1545760), (15280, 1391184), (17190, 1236608), (18336, 1159320), (19322, 1100160), (22920, 927456), (24448, 869490), (27504, 772880), (28983, 733440), (30560, 695592), (34380, 618304), (36672, 579660), (38644, 550080), (45840, 463728), (48305, 440064), (48896, 434745), (55008, 386440), (57966, 366720), (61120, 347796), (68760, 309152), (73344, 289830), (77288, 275040), (86949, 244480), (91680, 231864), (96610, 220032), (110016, 193220), (115932, 183360), (122240, 173898), (137520, 154576), (144915, 146688)]