840841960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:448

約数の個数: 192

約数和(自身を含む): 2358158400

約数和(自身を除く): 1517316440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 67, 70, 76, 95, 98, 133, 134, 140, 152, 190, 196, 245, 266, 268, 280, 335, 337, 380, 392, 469, 490, 532, 536, 665, 670, 674, 760, 931, 938, 980, 1064, 1273, 1330, 1340, 1348, 1685, 1862, 1876, 1960, 2345, 2359, 2546, 2660, 2680, 2696, 3283, 3370, 3724, 3752, 4655, 4690, 4718, 5092, 5320, 6365, 6403, 6566, 6740, 7448, 8911, 9310, 9380, 9436, 10184, 11795, 12730, 12806, 13132, 13480, 16415, 16513, 17822, 18620, 18760, 18872, 22579, 23590, 25460, 25612, 26264, 32015, 32830, 33026, 35644, 37240, 44555, 44821, 45158, 47180, 50920, 51224, 62377, 64030, 65660, 66052, 71288, 82565, 89110, 89642, 90316, 94360, 112895, 124754, 128060, 131320, 132104, 158053, 165130, 178220, 179284, 180632, 224105, 225790, 249508, 256120, 311885, 313747, 316106, 330260, 356440, 358568, 429001, 448210, 451580, 499016, 623770, 627494, 632212, 660520, 790265, 858002, 896420, 903160, 1106371, 1247540, 1254988, 1264424, 1568735, 1580530, 1716004, 1792840, 2145005, 2212742, 2495080, 2509976, 3003007, 3137470, 3161060, 3432008, 4290010, 4425484, 5531855, 6006014, 6274940, 6322120, 8580020, 8850968, 11063710, 12012028, 12549880, 15015035, 17160040, 21021049, 22127420, 24024056, 30030070, 42042098, 44254840, 60060140, 84084196, 105105245, 120120280, 168168392, 210210490, 420420980, 840841960]

約数ペア:

[(1, 840841960), (2, 420420980), (4, 210210490), (5, 168168392), (7, 120120280), (8, 105105245), (10, 84084196), (14, 60060140), (19, 44254840), (20, 42042098), (28, 30030070), (35, 24024056), (38, 22127420), (40, 21021049), (49, 17160040), (56, 15015035), (67, 12549880), (70, 12012028), (76, 11063710), (95, 8850968), (98, 8580020), (133, 6322120), (134, 6274940), (140, 6006014), (152, 5531855), (190, 4425484), (196, 4290010), (245, 3432008), (266, 3161060), (268, 3137470), (280, 3003007), (335, 2509976), (337, 2495080), (380, 2212742), (392, 2145005), (469, 1792840), (490, 1716004), (532, 1580530), (536, 1568735), (665, 1264424), (670, 1254988), (674, 1247540), (760, 1106371), (931, 903160), (938, 896420), (980, 858002), (1064, 790265), (1273, 660520), (1330, 632212), (1340, 627494), (1348, 623770), (1685, 499016), (1862, 451580), (1876, 448210), (1960, 429001), (2345, 358568), (2359, 356440), (2546, 330260), (2660, 316106), (2680, 313747), (2696, 311885), (3283, 256120), (3370, 249508), (3724, 225790), (3752, 224105), (4655, 180632), (4690, 179284), (4718, 178220), (5092, 165130), (5320, 158053), (6365, 132104), (6403, 131320), (6566, 128060), (6740, 124754), (7448, 112895), (8911, 94360), (9310, 90316), (9380, 89642), (9436, 89110), (10184, 82565), (11795, 71288), (12730, 66052), (12806, 65660), (13132, 64030), (13480, 62377), (16415, 51224), (16513, 50920), (17822, 47180), (18620, 45158), (18760, 44821), (18872, 44555), (22579, 37240), (23590, 35644), (25460, 33026), (25612, 32830), (26264, 32015)]