91780640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 144

約数和(自身を含む): 262688832

約数和(自身を除く): 170908192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 227, 266, 280, 304, 361, 380, 454, 532, 560, 608, 665, 722, 760, 908, 1064, 1120, 1135, 1330, 1444, 1520, 1589, 1805, 1816, 2128, 2270, 2527, 2660, 2888, 3040, 3178, 3610, 3632, 4256, 4313, 4540, 5054, 5320, 5776, 6356, 7220, 7264, 7945, 8626, 9080, 10108, 10640, 11552, 12635, 12712, 14440, 15890, 17252, 18160, 20216, 21280, 21565, 25270, 25424, 28880, 30191, 31780, 34504, 36320, 40432, 43130, 50540, 50848, 57760, 60382, 63560, 69008, 80864, 81947, 86260, 101080, 120764, 127120, 138016, 150955, 163894, 172520, 202160, 241528, 254240, 301910, 327788, 345040, 404320, 409735, 483056, 573629, 603820, 655576, 690080, 819470, 966112, 1147258, 1207640, 1311152, 1638940, 2294516, 2415280, 2622304, 2868145, 3277880, 4589032, 4830560, 5736290, 6555760, 9178064, 11472580, 13111520, 18356128, 22945160, 45890320, 91780640]

約数ペア:

[(1, 91780640), (2, 45890320), (4, 22945160), (5, 18356128), (7, 13111520), (8, 11472580), (10, 9178064), (14, 6555760), (16, 5736290), (19, 4830560), (20, 4589032), (28, 3277880), (32, 2868145), (35, 2622304), (38, 2415280), (40, 2294516), (56, 1638940), (70, 1311152), (76, 1207640), (80, 1147258), (95, 966112), (112, 819470), (133, 690080), (140, 655576), (152, 603820), (160, 573629), (190, 483056), (224, 409735), (227, 404320), (266, 345040), (280, 327788), (304, 301910), (361, 254240), (380, 241528), (454, 202160), (532, 172520), (560, 163894), (608, 150955), (665, 138016), (722, 127120), (760, 120764), (908, 101080), (1064, 86260), (1120, 81947), (1135, 80864), (1330, 69008), (1444, 63560), (1520, 60382), (1589, 57760), (1805, 50848), (1816, 50540), (2128, 43130), (2270, 40432), (2527, 36320), (2660, 34504), (2888, 31780), (3040, 30191), (3178, 28880), (3610, 25424), (3632, 25270), (4256, 21565), (4313, 21280), (4540, 20216), (5054, 18160), (5320, 17252), (5776, 15890), (6356, 14440), (7220, 12712), (7264, 12635), (7945, 11552), (8626, 10640), (9080, 10108)]