20676890687400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1\times {\mathrm{2801}}^1$

素因数の和:3704

約数の個数: 960

約数和(自身を含む): 78322770504000

約数和(自身を除く): 57645879816600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 27, 29, 30, 36, 38, 40, 45, 50, 54, 57, 58, 60, 72, 75, 76, 81, 87, 90, 95, 100, 108, 114, 116, 120, 135, 145, 150, 152, 162, 171, 174, 180, 190, 200, 216, 225, 228, 232, 261, 270, 285, 290, 300, 324, 342, 348, 360, 380, 405, 435, 450, 456, 475, 513, 522, 540, 551, 570, 580, 600, 648, 675, 684, 696, 725, 760, 783, 810, 827, 855, 870, 900, 950, 1026, 1044, 1080, 1102, 1140, 1160, 1305, 1350, 1368, 1425, 1450, 1539, 1566, 1620, 1653, 1654, 1710, 1740, 1800, 1900, 2025, 2052, 2088, 2175, 2204, 2280, 2349, 2481, 2565, 2610, 2700, 2755, 2801, 2850, 2900, 3078, 3132, 3240, 3306, 3308, 3420, 3480, 3800, 3915, 4050, 4104, 4135, 4275, 4350, 4408, 4698, 4959, 4962, 5130, 5220, 5400, 5510, 5602, 5700, 5800, 6156, 6264, 6525, 6612, 6616, 6840, 7443, 7695, 7830, 8100, 8265, 8270, 8403, 8550, 8700, 9396, 9918, 9924, 10260, 10440, 11020, 11204, 11400, 11745, 12312, 12405, 12825, 13050, 13224, 13775, 14005, 14877, 14886, 15390, 15660, 15713, 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約数ペア:

[(1, 20676890687400), (2, 10338445343700), (3, 6892296895800), (4, 5169222671850), (5, 4135378137480), (6, 3446148447900), (8, 2584611335925), (9, 2297432298600), (10, 2067689068740), (12, 1723074223950), (15, 1378459379160), (18, 1148716149300), (19, 1088257404600), (20, 1033844534370), (24, 861537111975), (25, 827075627496), (27, 765810766200), (29, 712996230600), (30, 689229689580), (36, 574358074650), (38, 544128702300), (40, 516922267185), (45, 459486459720), (50, 413537813748), (54, 382905383100), (57, 362752468200), (58, 356498115300), (60, 344614844790), (72, 287179037325), (75, 275691875832), (76, 272064351150), (81, 255270255400), (87, 237665410200), (90, 229743229860), (95, 217651480920), (100, 206768906874), (108, 191452691550), (114, 181376234100), (116, 178249057650), (120, 172307422395), (135, 153162153240), (145, 142599246120), (150, 137845937916), (152, 136032175575), (162, 127635127700), (171, 120917489400), (174, 118832705100), (180, 114871614930), (190, 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