81270200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 227797920

約数和(自身を除く): 146527720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 41, 44, 50, 53, 55, 68, 82, 85, 88, 100, 106, 110, 136, 164, 170, 187, 200, 205, 212, 220, 265, 275, 328, 340, 374, 410, 424, 425, 440, 451, 530, 550, 583, 680, 697, 748, 820, 850, 901, 902, 935, 1025, 1060, 1100, 1166, 1325, 1394, 1496, 1640, 1700, 1802, 1804, 1870, 2050, 2120, 2173, 2200, 2255, 2332, 2650, 2788, 2915, 3400, 3485, 3604, 3608, 3740, 4100, 4346, 4505, 4510, 4664, 4675, 5300, 5576, 5830, 6970, 7208, 7480, 7667, 8200, 8692, 9010, 9020, 9350, 9911, 10600, 10865, 11275, 11660, 13940, 14575, 15334, 17384, 17425, 18020, 18040, 18700, 19822, 21730, 22525, 22550, 23320, 23903, 27880, 29150, 30668, 34850, 36040, 36941, 37400, 38335, 39644, 43460, 45050, 45100, 47806, 49555, 54325, 58300, 61336, 69700, 73882, 76670, 79288, 86920, 90100, 90200, 95612, 99110, 108650, 116600, 119515, 139400, 147764, 153340, 180200, 184705, 191224, 191675, 198220, 217300, 239030, 247775, 295528, 306680, 369410, 383350, 396440, 406351, 434600, 478060, 495550, 597575, 738820, 766700, 812702, 923525, 956120, 991100, 1195150, 1477640, 1533400, 1625404, 1847050, 1982200, 2031755, 2390300, 3250808, 3694100, 4063510, 4780600, 7388200, 8127020, 10158775, 16254040, 20317550, 40635100, 81270200]

約数ペア:

[(1, 81270200), (2, 40635100), (4, 20317550), (5, 16254040), (8, 10158775), (10, 8127020), (11, 7388200), (17, 4780600), (20, 4063510), (22, 3694100), (25, 3250808), (34, 2390300), (40, 2031755), (41, 1982200), (44, 1847050), (50, 1625404), (53, 1533400), (55, 1477640), (68, 1195150), (82, 991100), (85, 956120), (88, 923525), (100, 812702), (106, 766700), (110, 738820), (136, 597575), (164, 495550), (170, 478060), (187, 434600), (200, 406351), (205, 396440), (212, 383350), (220, 369410), (265, 306680), (275, 295528), (328, 247775), (340, 239030), (374, 217300), (410, 198220), (424, 191675), (425, 191224), (440, 184705), (451, 180200), (530, 153340), (550, 147764), (583, 139400), (680, 119515), (697, 116600), (748, 108650), (820, 99110), (850, 95612), (901, 90200), (902, 90100), (935, 86920), (1025, 79288), (1060, 76670), (1100, 73882), (1166, 69700), (1325, 61336), (1394, 58300), (1496, 54325), (1640, 49555), (1700, 47806), (1802, 45100), (1804, 45050), (1870, 43460), (2050, 39644), (2120, 38335), (2173, 37400), (2200, 36941), (2255, 36040), (2332, 34850), (2650, 30668), (2788, 29150), (2915, 27880), (3400, 23903), (3485, 23320), (3604, 22550), (3608, 22525), (3740, 21730), (4100, 19822), (4346, 18700), (4505, 18040), (4510, 18020), (4664, 17425), (4675, 17384), (5300, 15334), (5576, 14575), (5830, 13940), (6970, 11660), (7208, 11275), (7480, 10865), (7667, 10600), (8200, 9911), (8692, 9350), (9010, 9020)]