78366640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 216057600

約数和(自身を除く): 137690960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 43, 44, 55, 76, 80, 86, 88, 95, 109, 110, 152, 172, 176, 190, 209, 215, 218, 220, 304, 344, 380, 418, 430, 436, 440, 473, 545, 688, 760, 817, 836, 860, 872, 880, 946, 1045, 1090, 1199, 1520, 1634, 1672, 1720, 1744, 1892, 2071, 2090, 2180, 2365, 2398, 3268, 3344, 3440, 3784, 4085, 4142, 4180, 4360, 4687, 4730, 4796, 5995, 6536, 7568, 8170, 8284, 8360, 8720, 8987, 9374, 9460, 9592, 10355, 11990, 13072, 16340, 16568, 16720, 17974, 18748, 18920, 19184, 20710, 22781, 23435, 23980, 32680, 33136, 35948, 37496, 37840, 41420, 44935, 45562, 46870, 47960, 51557, 65360, 71896, 74992, 82840, 89053, 89870, 91124, 93740, 95920, 103114, 113905, 143792, 165680, 178106, 179740, 182248, 187480, 206228, 227810, 257785, 356212, 359480, 364496, 374960, 412456, 445265, 455620, 515570, 712424, 718960, 824912, 890530, 911240, 979583, 1031140, 1424848, 1781060, 1822480, 1959166, 2062280, 3562120, 3918332, 4124560, 4897915, 7124240, 7836664, 9795830, 15673328, 19591660, 39183320, 78366640]

約数ペア:

[(1, 78366640), (2, 39183320), (4, 19591660), (5, 15673328), (8, 9795830), (10, 7836664), (11, 7124240), (16, 4897915), (19, 4124560), (20, 3918332), (22, 3562120), (38, 2062280), (40, 1959166), (43, 1822480), (44, 1781060), (55, 1424848), (76, 1031140), (80, 979583), (86, 911240), (88, 890530), (95, 824912), (109, 718960), (110, 712424), (152, 515570), (172, 455620), (176, 445265), (190, 412456), (209, 374960), (215, 364496), (218, 359480), (220, 356212), (304, 257785), (344, 227810), (380, 206228), (418, 187480), (430, 182248), (436, 179740), (440, 178106), (473, 165680), (545, 143792), (688, 113905), (760, 103114), (817, 95920), (836, 93740), (860, 91124), (872, 89870), (880, 89053), (946, 82840), (1045, 74992), (1090, 71896), (1199, 65360), (1520, 51557), (1634, 47960), (1672, 46870), (1720, 45562), (1744, 44935), (1892, 41420), (2071, 37840), (2090, 37496), (2180, 35948), (2365, 33136), (2398, 32680), (3268, 23980), (3344, 23435), (3440, 22781), (3784, 20710), (4085, 19184), (4142, 18920), (4180, 18748), (4360, 17974), (4687, 16720), (4730, 16568), (4796, 16340), (5995, 13072), (6536, 11990), (7568, 10355), (8170, 9592), (8284, 9460), (8360, 9374), (8720, 8987)]