1821577680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64871}}^1$

素因数の和:64906

約数の個数: 160

約数和(自身を含む): 6757067520

約数和(自身を除く): 4935489840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 14040, 28080, 64871, 129742, 194613, 259484, 324355, 389226, 518968, 583839, 648710, 778452, 843323, 973065, 1037936, 1167678, 1297420, 1556904, 1686646, 1751517, 1946130, 2335356, 2529969, 2594840, 2919195, 3113808, 3373292, 3503034, 3892260, 4216615, 4670712, 5059938, 5189680, 5838390, 6746584, 7006068, 7589907, 7784520, 8433230, 8757585, 9341424, 10119876, 11676780, 12649845, 13493168, 14012136, 15179814, 15569040, 16866460, 17515170, 20239752, 22769721, 23353560, 25299690, 28024272, 30359628, 33732920, 35030340, 37949535, 40479504, 45539442, 46707120, 50599380, 60719256, 67465840, 70060680, 75899070, 91078884, 101198760, 113848605, 121438512, 140121360, 151798140, 182157768, 202397520, 227697210, 303596280, 364315536, 455394420, 607192560, 910788840, 1821577680]

約数ペア:

[(1, 1821577680), (2, 910788840), (3, 607192560), (4, 455394420), (5, 364315536), (6, 303596280), (8, 227697210), (9, 202397520), (10, 182157768), (12, 151798140), (13, 140121360), (15, 121438512), (16, 113848605), (18, 101198760), (20, 91078884), (24, 75899070), (26, 70060680), (27, 67465840), (30, 60719256), (36, 50599380), (39, 46707120), (40, 45539442), (45, 40479504), (48, 37949535), (52, 35030340), (54, 33732920), (60, 30359628), (65, 28024272), (72, 25299690), (78, 23353560), (80, 22769721), (90, 20239752), (104, 17515170), (108, 16866460), (117, 15569040), (120, 15179814), (130, 14012136), (135, 13493168), (144, 12649845), (156, 11676780), (180, 10119876), (195, 9341424), (208, 8757585), (216, 8433230), (234, 7784520), (240, 7589907), (260, 7006068), (270, 6746584), (312, 5838390), (351, 5189680), (360, 5059938), (390, 4670712), (432, 4216615), (468, 3892260), (520, 3503034), (540, 3373292), (585, 3113808), (624, 2919195), (702, 2594840), (720, 2529969), (780, 2335356), (936, 1946130), (1040, 1751517), (1080, 1686646), (1170, 1556904), (1404, 1297420), (1560, 1167678), (1755, 1037936), (1872, 973065), (2160, 843323), (2340, 778452), (2808, 648710), (3120, 583839), (3510, 518968), (4680, 389226), (5616, 324355), (7020, 259484), (9360, 194613), (14040, 129742), (28080, 64871)]