80687200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 220204656

約数和(自身を除く): 139517456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 53, 55, 80, 88, 100, 106, 110, 160, 173, 176, 200, 212, 220, 265, 275, 346, 352, 400, 424, 440, 530, 550, 583, 692, 800, 848, 865, 880, 1060, 1100, 1166, 1325, 1384, 1696, 1730, 1760, 1903, 2120, 2200, 2332, 2650, 2768, 2915, 3460, 3806, 4240, 4325, 4400, 4664, 5300, 5536, 5830, 6920, 7612, 8480, 8650, 8800, 9169, 9328, 9515, 10600, 11660, 13840, 14575, 15224, 17300, 18338, 18656, 19030, 21200, 23320, 27680, 29150, 30448, 34600, 36676, 38060, 42400, 45845, 46640, 47575, 58300, 60896, 69200, 73352, 76120, 91690, 93280, 95150, 100859, 116600, 138400, 146704, 152240, 183380, 190300, 201718, 229225, 233200, 293408, 304480, 366760, 380600, 403436, 458450, 466400, 504295, 733520, 761200, 806872, 916900, 1008590, 1467040, 1522400, 1613744, 1833800, 2017180, 2521475, 3227488, 3667600, 4034360, 5042950, 7335200, 8068720, 10085900, 16137440, 20171800, 40343600, 80687200]

約数ペア:

[(1, 80687200), (2, 40343600), (4, 20171800), (5, 16137440), (8, 10085900), (10, 8068720), (11, 7335200), (16, 5042950), (20, 4034360), (22, 3667600), (25, 3227488), (32, 2521475), (40, 2017180), (44, 1833800), (50, 1613744), (53, 1522400), (55, 1467040), (80, 1008590), (88, 916900), (100, 806872), (106, 761200), (110, 733520), (160, 504295), (173, 466400), (176, 458450), (200, 403436), (212, 380600), (220, 366760), (265, 304480), (275, 293408), (346, 233200), (352, 229225), (400, 201718), (424, 190300), (440, 183380), (530, 152240), (550, 146704), (583, 138400), (692, 116600), (800, 100859), (848, 95150), (865, 93280), (880, 91690), (1060, 76120), (1100, 73352), (1166, 69200), (1325, 60896), (1384, 58300), (1696, 47575), (1730, 46640), (1760, 45845), (1903, 42400), (2120, 38060), (2200, 36676), (2332, 34600), (2650, 30448), (2768, 29150), (2915, 27680), (3460, 23320), (3806, 21200), (4240, 19030), (4325, 18656), (4400, 18338), (4664, 17300), (5300, 15224), (5536, 14575), (5830, 13840), (6920, 11660), (7612, 10600), (8480, 9515), (8650, 9328), (8800, 9169)]