81643320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 192

約数和(自身を含む): 295682400

約数和(自身を除く): 214039080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 53, 55, 60, 66, 72, 88, 90, 99, 106, 110, 120, 132, 159, 165, 180, 198, 212, 220, 264, 265, 318, 330, 360, 389, 396, 424, 440, 477, 495, 530, 583, 636, 660, 778, 792, 795, 954, 990, 1060, 1166, 1167, 1272, 1320, 1556, 1590, 1749, 1908, 1945, 1980, 2120, 2332, 2334, 2385, 2915, 3112, 3180, 3498, 3501, 3816, 3890, 3960, 4279, 4664, 4668, 4770, 5247, 5830, 5835, 6360, 6996, 7002, 7780, 8558, 8745, 9336, 9540, 10494, 11660, 11670, 12837, 13992, 14004, 15560, 17116, 17490, 17505, 19080, 20617, 20988, 21395, 23320, 23340, 25674, 26235, 28008, 34232, 34980, 35010, 38511, 41234, 41976, 42790, 46680, 51348, 52470, 61851, 64185, 69960, 70020, 77022, 82468, 85580, 102696, 103085, 104940, 123702, 128370, 140040, 154044, 164936, 171160, 185553, 192555, 206170, 209880, 226787, 247404, 256740, 308088, 309255, 371106, 385110, 412340, 453574, 494808, 513480, 618510, 680361, 742212, 770220, 824680, 907148, 927765, 1133935, 1237020, 1360722, 1484424, 1540440, 1814296, 1855530, 2041083, 2267870, 2474040, 2721444, 3401805, 3711060, 4082166, 4535740, 5442888, 6803610, 7422120, 8164332, 9071480, 10205415, 13607220, 16328664, 20410830, 27214440, 40821660, 81643320]

約数ペア:

[(1, 81643320), (2, 40821660), (3, 27214440), (4, 20410830), (5, 16328664), (6, 13607220), (8, 10205415), (9, 9071480), (10, 8164332), (11, 7422120), (12, 6803610), (15, 5442888), (18, 4535740), (20, 4082166), (22, 3711060), (24, 3401805), (30, 2721444), (33, 2474040), (36, 2267870), (40, 2041083), (44, 1855530), (45, 1814296), (53, 1540440), (55, 1484424), (60, 1360722), (66, 1237020), (72, 1133935), (88, 927765), (90, 907148), (99, 824680), (106, 770220), (110, 742212), (120, 680361), (132, 618510), (159, 513480), (165, 494808), (180, 453574), (198, 412340), (212, 385110), (220, 371106), (264, 309255), (265, 308088), (318, 256740), (330, 247404), (360, 226787), (389, 209880), (396, 206170), (424, 192555), (440, 185553), (477, 171160), (495, 164936), (530, 154044), (583, 140040), (636, 128370), (660, 123702), (778, 104940), (792, 103085), (795, 102696), (954, 85580), (990, 82468), (1060, 77022), (1166, 70020), (1167, 69960), (1272, 64185), (1320, 61851), (1556, 52470), (1590, 51348), (1749, 46680), (1908, 42790), (1945, 41976), (1980, 41234), (2120, 38511), (2332, 35010), (2334, 34980), (2385, 34232), (2915, 28008), (3112, 26235), (3180, 25674), (3498, 23340), (3501, 23320), (3816, 21395), (3890, 20988), (3960, 20617), (4279, 19080), (4664, 17505), (4668, 17490), (4770, 17116), (5247, 15560), (5830, 14004), (5835, 13992), (6360, 12837), (6996, 11670), (7002, 11660), (7780, 10494), (8558, 9540), (8745, 9336)]