81263520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1447}}^1$

素因数の和:1484

約数の個数: 192

約数和(自身を含む): 306512640

約数和(自身を除く): 225249120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1447, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 2894, 3120, 3510, 3744, 4320, 4341, 4680, 5616, 5788, 6240, 7020, 7235, 8682, 9360, 11232, 11576, 13023, 14040, 14470, 17364, 18720, 18811, 21705, 23152, 26046, 28080, 28940, 34728, 37622, 39069, 43410, 46304, 52092, 56160, 56433, 57880, 65115, 69456, 75244, 78138, 86820, 94055, 104184, 112866, 115760, 130230, 138912, 150488, 156276, 169299, 173640, 188110, 195345, 208368, 225732, 231520, 260460, 282165, 300976, 312552, 338598, 347280, 376220, 390690, 416736, 451464, 507897, 520920, 564330, 601952, 625104, 677196, 694560, 752440, 781380, 846495, 902928, 1015794, 1041840, 1128660, 1250208, 1354392, 1504880, 1562760, 1692990, 1805856, 2031588, 2083680, 2257320, 2539485, 2708784, 3009760, 3125520, 3385980, 4063176, 4514640, 5078970, 5417568, 6251040, 6771960, 8126352, 9029280, 10157940, 13543920, 16252704, 20315880, 27087840, 40631760, 81263520]

約数ペア:

[(1, 81263520), (2, 40631760), (3, 27087840), (4, 20315880), (5, 16252704), (6, 13543920), (8, 10157940), (9, 9029280), (10, 8126352), (12, 6771960), (13, 6251040), (15, 5417568), (16, 5078970), (18, 4514640), (20, 4063176), (24, 3385980), (26, 3125520), (27, 3009760), (30, 2708784), (32, 2539485), (36, 2257320), (39, 2083680), (40, 2031588), (45, 1805856), (48, 1692990), (52, 1562760), (54, 1504880), (60, 1354392), (65, 1250208), (72, 1128660), (78, 1041840), (80, 1015794), (90, 902928), (96, 846495), (104, 781380), (108, 752440), (117, 694560), (120, 677196), (130, 625104), (135, 601952), (144, 564330), (156, 520920), (160, 507897), (180, 451464), (195, 416736), (208, 390690), (216, 376220), (234, 347280), (240, 338598), (260, 312552), (270, 300976), (288, 282165), (312, 260460), (351, 231520), (360, 225732), (390, 208368), (416, 195345), (432, 188110), (468, 173640), (480, 169299), (520, 156276), (540, 150488), (585, 138912), (624, 130230), (702, 115760), (720, 112866), (780, 104184), (864, 94055), (936, 86820), (1040, 78138), (1080, 75244), (1170, 69456), (1248, 65115), (1404, 57880), (1440, 56433), (1447, 56160), (1560, 52092), (1755, 46304), (1872, 43410), (2080, 39069), (2160, 37622), (2340, 34728), (2808, 28940), (2894, 28080), (3120, 26046), (3510, 23152), (3744, 21705), (4320, 18811), (4341, 18720), (4680, 17364), (5616, 14470), (5788, 14040), (6240, 13023), (7020, 11576), (7235, 11232), (8682, 9360)]