61440176800

素因数分解:

$2^5\times 5^2\times {\mathrm{163}}^1\times {\mathrm{457}}^1\times {\mathrm{1031}}^1$

素因数の和:1671

約数の個数: 144

約数和(自身を含む): 151387935552

約数和(自身を除く): 89947758752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 163, 200, 326, 400, 457, 652, 800, 815, 914, 1031, 1304, 1630, 1828, 2062, 2285, 2608, 3260, 3656, 4075, 4124, 4570, 5155, 5216, 6520, 7312, 8150, 8248, 9140, 10310, 11425, 13040, 14624, 16300, 16496, 18280, 20620, 22850, 25775, 26080, 32600, 32992, 36560, 41240, 45700, 51550, 65200, 73120, 74491, 82480, 91400, 103100, 130400, 148982, 164960, 168053, 182800, 206200, 297964, 336106, 365600, 372455, 412400, 471167, 595928, 672212, 744910, 824800, 840265, 942334, 1191856, 1344424, 1489820, 1680530, 1862275, 1884668, 2355835, 2383712, 2688848, 2979640, 3361060, 3724550, 3769336, 4201325, 4711670, 5377696, 5959280, 6722120, 7449100, 7538672, 8402650, 9423340, 11779175, 11918560, 13444240, 14898200, 15077344, 16805300, 18846680, 23558350, 26888480, 29796400, 33610600, 37693360, 47116700, 59592800, 67221200, 75386720, 76800221, 94233400, 134442400, 153600442, 188466800, 307200884, 376933600, 384001105, 614401768, 768002210, 1228803536, 1536004420, 1920005525, 2457607072, 3072008840, 3840011050, 6144017680, 7680022100, 12288035360, 15360044200, 30720088400, 61440176800]

約数ペア:

[(1, 61440176800), (2, 30720088400), (4, 15360044200), (5, 12288035360), (8, 7680022100), (10, 6144017680), (16, 3840011050), (20, 3072008840), (25, 2457607072), (32, 1920005525), (40, 1536004420), (50, 1228803536), (80, 768002210), (100, 614401768), (160, 384001105), (163, 376933600), (200, 307200884), (326, 188466800), (400, 153600442), (457, 134442400), (652, 94233400), (800, 76800221), (815, 75386720), (914, 67221200), (1031, 59592800), (1304, 47116700), (1630, 37693360), (1828, 33610600), (2062, 29796400), (2285, 26888480), (2608, 23558350), (3260, 18846680), (3656, 16805300), (4075, 15077344), (4124, 14898200), (4570, 13444240), (5155, 11918560), (5216, 11779175), (6520, 9423340), (7312, 8402650), (8150, 7538672), (8248, 7449100), (9140, 6722120), (10310, 5959280), (11425, 5377696), (13040, 4711670), (14624, 4201325), (16300, 3769336), (16496, 3724550), (18280, 3361060), (20620, 2979640), (22850, 2688848), (25775, 2383712), (26080, 2355835), (32600, 1884668), (32992, 1862275), (36560, 1680530), (41240, 1489820), (45700, 1344424), (51550, 1191856), (65200, 942334), (73120, 840265), (74491, 824800), (82480, 744910), (91400, 672212), (103100, 595928), (130400, 471167), (148982, 412400), (164960, 372455), (168053, 365600), (182800, 336106), (206200, 297964)]