21515591520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{16223}}^1$

素因数の和:16554

約数の個数: 192

約数和(自身を含む): 75554519040

約数和(自身を除く): 54038927520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 307, 360, 432, 480, 540, 614, 720, 864, 921, 1080, 1228, 1440, 1535, 1842, 2160, 2456, 2763, 3070, 3684, 4320, 4605, 4912, 5526, 6140, 7368, 8289, 9210, 9824, 11052, 12280, 13815, 14736, 16223, 16578, 18420, 22104, 24560, 27630, 29472, 32446, 33156, 36840, 41445, 44208, 48669, 49120, 55260, 64892, 66312, 73680, 81115, 82890, 88416, 97338, 110520, 129784, 132624, 146007, 147360, 162230, 165780, 194676, 221040, 243345, 259568, 265248, 292014, 324460, 331560, 389352, 438021, 442080, 486690, 519136, 584028, 648920, 663120, 730035, 778704, 876042, 973380, 1168056, 1297840, 1326240, 1460070, 1557408, 1752084, 1946760, 2190105, 2336112, 2595680, 2920140, 3504168, 3893520, 4380210, 4672224, 4980461, 5840280, 7008336, 7787040, 8760420, 9960922, 11680560, 14016672, 14941383, 17520840, 19921844, 23361120, 24902305, 29882766, 35041680, 39843688, 44824149, 49804610, 59765532, 70083360, 74706915, 79687376, 89648298, 99609220, 119531064, 134472447, 149413830, 159374752, 179296596, 199218440, 224120745, 239062128, 268944894, 298827660, 358593192, 398436880, 448241490, 478124256, 537889788, 597655320, 672362235, 717186384, 796873760, 896482980, 1075779576, 1195310640, 1344724470, 1434372768, 1792965960, 2151559152, 2390621280, 2689448940, 3585931920, 4303118304, 5378897880, 7171863840, 10757795760, 21515591520]

約数ペア:

[(1, 21515591520), (2, 10757795760), (3, 7171863840), (4, 5378897880), (5, 4303118304), (6, 3585931920), (8, 2689448940), (9, 2390621280), (10, 2151559152), (12, 1792965960), (15, 1434372768), (16, 1344724470), (18, 1195310640), (20, 1075779576), (24, 896482980), (27, 796873760), (30, 717186384), (32, 672362235), (36, 597655320), (40, 537889788), (45, 478124256), (48, 448241490), (54, 398436880), (60, 358593192), (72, 298827660), (80, 268944894), (90, 239062128), (96, 224120745), (108, 199218440), (120, 179296596), (135, 159374752), (144, 149413830), (160, 134472447), (180, 119531064), (216, 99609220), (240, 89648298), (270, 79687376), (288, 74706915), (307, 70083360), (360, 59765532), (432, 49804610), (480, 44824149), (540, 39843688), (614, 35041680), (720, 29882766), (864, 24902305), (921, 23361120), (1080, 19921844), (1228, 17520840), (1440, 14941383), (1535, 14016672), (1842, 11680560), (2160, 9960922), (2456, 8760420), (2763, 7787040), (3070, 7008336), (3684, 5840280), (4320, 4980461), (4605, 4672224), (4912, 4380210), (5526, 3893520), (6140, 3504168), (7368, 2920140), (8289, 2595680), (9210, 2336112), (9824, 2190105), (11052, 1946760), (12280, 1752084), (13815, 1557408), (14736, 1460070), (16223, 1326240), (16578, 1297840), (18420, 1168056), (22104, 973380), (24560, 876042), (27630, 778704), (29472, 730035), (32446, 663120), (33156, 648920), (36840, 584028), (41445, 519136), (44208, 486690), (48669, 442080), (49120, 438021), (55260, 389352), (64892, 331560), (66312, 324460), (73680, 292014), (81115, 265248), (82890, 259568), (88416, 243345), (97338, 221040), (110520, 194676), (129784, 165780), (132624, 162230), (146007, 147360)]