21491509320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{80783}}^1$

素因数の和:81539

約数の個数: 96

約数和(自身を含む): 69942787200

約数和(自身を除く): 48451277880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 739, 1478, 2217, 2956, 3695, 4434, 5912, 6651, 7390, 8868, 11085, 13302, 14780, 17736, 22170, 26604, 29560, 33255, 44340, 53208, 66510, 80783, 88680, 133020, 161566, 242349, 266040, 323132, 403915, 484698, 646264, 727047, 807830, 969396, 1211745, 1454094, 1615660, 1938792, 2423490, 2908188, 3231320, 3635235, 4846980, 5816376, 7270470, 9693960, 14540940, 29081880, 59698637, 119397274, 179095911, 238794548, 298493185, 358191822, 477589096, 537287733, 596986370, 716383644, 895479555, 1074575466, 1193972740, 1432767288, 1790959110, 2149150932, 2387945480, 2686438665, 3581918220, 4298301864, 5372877330, 7163836440, 10745754660, 21491509320]

約数ペア:

[(1, 21491509320), (2, 10745754660), (3, 7163836440), (4, 5372877330), (5, 4298301864), (6, 3581918220), (8, 2686438665), (9, 2387945480), (10, 2149150932), (12, 1790959110), (15, 1432767288), (18, 1193972740), (20, 1074575466), (24, 895479555), (30, 716383644), (36, 596986370), (40, 537287733), (45, 477589096), (60, 358191822), (72, 298493185), (90, 238794548), (120, 179095911), (180, 119397274), (360, 59698637), (739, 29081880), (1478, 14540940), (2217, 9693960), (2956, 7270470), (3695, 5816376), (4434, 4846980), (5912, 3635235), (6651, 3231320), (7390, 2908188), (8868, 2423490), (11085, 1938792), (13302, 1615660), (14780, 1454094), (17736, 1211745), (22170, 969396), (26604, 807830), (29560, 727047), (33255, 646264), (44340, 484698), (53208, 403915), (66510, 323132), (80783, 266040), (88680, 242349), (133020, 161566)]