18990209520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{1621}}^1$

素因数の和:2000

約数の個数: 240

約数和(自身を含む): 65230637472

約数和(自身を除く): 46240427952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 307, 318, 360, 424, 477, 530, 614, 636, 720, 795, 848, 921, 954, 1060, 1228, 1272, 1535, 1590, 1621, 1842, 1908, 2120, 2385, 2456, 2544, 2763, 3070, 3180, 3242, 3684, 3816, 4240, 4605, 4770, 4863, 4912, 5526, 6140, 6360, 6484, 7368, 7632, 8105, 9210, 9540, 9726, 11052, 12280, 12720, 12968, 13815, 14589, 14736, 16210, 16271, 18420, 19080, 19452, 22104, 24315, 24560, 25936, 27630, 29178, 32420, 32542, 36840, 38160, 38904, 44208, 48630, 48813, 55260, 58356, 64840, 65084, 72945, 73680, 77808, 81355, 85913, 97260, 97626, 110520, 116712, 129680, 130168, 145890, 146439, 162710, 171826, 194520, 195252, 221040, 233424, 244065, 257739, 260336, 291780, 292878, 325420, 343652, 389040, 390504, 429565, 488130, 497647, 515478, 583560, 585756, 650840, 687304, 732195, 773217, 781008, 859130, 976260, 995294, 1030956, 1167120, 1171512, 1288695, 1301680, 1374608, 1464390, 1492941, 1546434, 1718260, 1952520, 1990588, 2061912, 2343024, 2488235, 2577390, 2928780, 2985882, 3092868, 3436520, 3866085, 3905040, 3981176, 4123824, 4478823, 4976470, 5154780, 5857560, 5971764, 6185736, 6873040, 7464705, 7732170, 7962352, 8957646, 9952940, 10309560, 11715120, 11943528, 12371472, 14929410, 15464340, 17915292, 19905880, 20619120, 22394115, 23887056, 26375291, 29858820, 30928680, 35830584, 39811760, 44788230, 52750582, 59717640, 61857360, 71661168, 79125873, 89576460, 105501164, 119435280, 131876455, 158251746, 179152920, 211002328, 237377619, 263752910, 316503492, 358305840, 395629365, 422004656, 474755238, 527505820, 633006984, 791258730, 949510476, 1055011640, 1186888095, 1266013968, 1582517460, 1899020952, 2110023280, 2373776190, 3165034920, 3798041904, 4747552380, 6330069840, 9495104760, 18990209520]

約数ペア:

[(1, 18990209520), (2, 9495104760), (3, 6330069840), (4, 4747552380), (5, 3798041904), (6, 3165034920), (8, 2373776190), (9, 2110023280), (10, 1899020952), (12, 1582517460), (15, 1266013968), (16, 1186888095), (18, 1055011640), (20, 949510476), (24, 791258730), (30, 633006984), (36, 527505820), (40, 474755238), (45, 422004656), (48, 395629365), (53, 358305840), (60, 316503492), (72, 263752910), (80, 237377619), (90, 211002328), (106, 179152920), (120, 158251746), (144, 131876455), (159, 119435280), (180, 105501164), (212, 89576460), (240, 79125873), (265, 71661168), (307, 61857360), (318, 59717640), (360, 52750582), (424, 44788230), (477, 39811760), (530, 35830584), (614, 30928680), (636, 29858820), (720, 26375291), (795, 23887056), (848, 22394115), (921, 20619120), (954, 19905880), (1060, 17915292), (1228, 15464340), (1272, 14929410), (1535, 12371472), (1590, 11943528), (1621, 11715120), (1842, 10309560), (1908, 9952940), (2120, 8957646), (2385, 7962352), (2456, 7732170), (2544, 7464705), (2763, 6873040), (3070, 6185736), (3180, 5971764), (3242, 5857560), (3684, 5154780), (3816, 4976470), (4240, 4478823), (4605, 4123824), (4770, 3981176), (4863, 3905040), (4912, 3866085), (5526, 3436520), (6140, 3092868), (6360, 2985882), (6484, 2928780), (7368, 2577390), (7632, 2488235), (8105, 2343024), (9210, 2061912), (9540, 1990588), (9726, 1952520), (11052, 1718260), (12280, 1546434), (12720, 1492941), (12968, 1464390), (13815, 1374608), (14589, 1301680), (14736, 1288695), (16210, 1171512), (16271, 1167120), (18420, 1030956), (19080, 995294), (19452, 976260), (22104, 859130), (24315, 781008), (24560, 773217), (25936, 732195), (27630, 687304), (29178, 650840), (32420, 585756), (32542, 583560), (36840, 515478), (38160, 497647), (38904, 488130), (44208, 429565), (48630, 390504), (48813, 389040), (55260, 343652), (58356, 325420), (64840, 292878), (65084, 291780), (72945, 260336), (73680, 257739), (77808, 244065), (81355, 233424), (85913, 221040), (97260, 195252), (97626, 194520), (110520, 171826), (116712, 162710), (129680, 146439), (130168, 145890)]