1978929840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{859}}^1$

素因数の和:1235

約数の個数: 160

約数和(自身を含む): 6372806400

約数和(自身を除く): 4393876560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 331, 348, 435, 464, 580, 662, 696, 859, 870, 993, 1160, 1324, 1392, 1655, 1718, 1740, 1986, 2320, 2577, 2648, 3310, 3436, 3480, 3972, 4295, 4965, 5154, 5296, 6620, 6872, 6960, 7944, 8590, 9599, 9930, 10308, 12885, 13240, 13744, 15888, 17180, 19198, 19860, 20616, 24911, 25770, 26480, 28797, 34360, 38396, 39720, 41232, 47995, 49822, 51540, 57594, 68720, 74733, 76792, 79440, 95990, 99644, 103080, 115188, 124555, 143985, 149466, 153584, 191980, 199288, 206160, 230376, 249110, 284329, 287970, 298932, 373665, 383960, 398576, 460752, 498220, 568658, 575940, 597864, 747330, 767920, 852987, 996440, 1137316, 1151880, 1195728, 1421645, 1494660, 1705974, 1992880, 2274632, 2303760, 2843290, 2989320, 3411948, 4264935, 4549264, 5686580, 5978640, 6823896, 8245541, 8529870, 11373160, 13647792, 16491082, 17059740, 22746320, 24736623, 32982164, 34119480, 41227705, 49473246, 65964328, 68238960, 82455410, 98946492, 123683115, 131928656, 164910820, 197892984, 247366230, 329821640, 395785968, 494732460, 659643280, 989464920, 1978929840]

約数ペア:

[(1, 1978929840), (2, 989464920), (3, 659643280), (4, 494732460), (5, 395785968), (6, 329821640), (8, 247366230), (10, 197892984), (12, 164910820), (15, 131928656), (16, 123683115), (20, 98946492), (24, 82455410), (29, 68238960), (30, 65964328), (40, 49473246), (48, 41227705), (58, 34119480), (60, 32982164), (80, 24736623), (87, 22746320), (116, 17059740), (120, 16491082), (145, 13647792), (174, 11373160), (232, 8529870), (240, 8245541), (290, 6823896), (331, 5978640), (348, 5686580), (435, 4549264), (464, 4264935), (580, 3411948), (662, 2989320), (696, 2843290), (859, 2303760), (870, 2274632), (993, 1992880), (1160, 1705974), (1324, 1494660), (1392, 1421645), (1655, 1195728), (1718, 1151880), (1740, 1137316), (1986, 996440), (2320, 852987), (2577, 767920), (2648, 747330), (3310, 597864), (3436, 575940), (3480, 568658), (3972, 498220), (4295, 460752), (4965, 398576), (5154, 383960), (5296, 373665), (6620, 298932), (6872, 287970), (6960, 284329), (7944, 249110), (8590, 230376), (9599, 206160), (9930, 199288), (10308, 191980), (12885, 153584), (13240, 149466), (13744, 143985), (15888, 124555), (17180, 115188), (19198, 103080), (19860, 99644), (20616, 95990), (24911, 79440), (25770, 76792), (26480, 74733), (28797, 68720), (34360, 57594), (38396, 51540), (39720, 49822), (41232, 47995)]