1801553920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 4670265600

約数和(自身を除く): 2868711680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 79, 80, 85, 128, 131, 136, 158, 160, 170, 256, 262, 272, 316, 320, 340, 395, 512, 524, 544, 632, 640, 655, 680, 790, 1024, 1048, 1088, 1264, 1280, 1310, 1343, 1360, 1580, 2048, 2096, 2176, 2227, 2528, 2560, 2620, 2686, 2720, 3160, 4192, 4352, 4454, 5056, 5120, 5240, 5372, 5440, 6320, 6715, 8384, 8704, 8908, 10112, 10240, 10349, 10480, 10744, 10880, 11135, 12640, 13430, 16768, 17408, 17816, 20224, 20698, 20960, 21488, 21760, 22270, 25280, 26860, 33536, 34816, 35632, 40448, 41396, 41920, 42976, 43520, 44540, 50560, 51745, 53720, 67072, 71264, 80896, 82792, 83840, 85952, 87040, 89080, 101120, 103490, 107440, 134144, 142528, 161792, 165584, 167680, 171904, 174080, 175933, 178160, 202240, 206980, 214880, 268288, 285056, 331168, 335360, 343808, 351866, 356320, 404480, 413960, 429760, 570112, 662336, 670720, 687616, 703732, 712640, 808960, 827920, 859520, 879665, 1140224, 1324672, 1341440, 1375232, 1407464, 1425280, 1655840, 1719040, 1759330, 2280448, 2649344, 2750464, 2814928, 2850560, 3311680, 3438080, 3518660, 4560896, 5298688, 5629856, 5701120, 6623360, 6876160, 7037320, 10597376, 11259712, 11402240, 13246720, 13752320, 14074640, 21194752, 22519424, 22804480, 26493440, 28149280, 45038848, 52986880, 56298560, 90077696, 105973760, 112597120, 180155392, 225194240, 360310784, 450388480, 900776960, 1801553920]

約数ペア:

[(1, 1801553920), (2, 900776960), (4, 450388480), (5, 360310784), (8, 225194240), (10, 180155392), (16, 112597120), (17, 105973760), (20, 90077696), (32, 56298560), (34, 52986880), (40, 45038848), (64, 28149280), (68, 26493440), (79, 22804480), (80, 22519424), (85, 21194752), (128, 14074640), (131, 13752320), (136, 13246720), (158, 11402240), (160, 11259712), (170, 10597376), (256, 7037320), (262, 6876160), (272, 6623360), (316, 5701120), (320, 5629856), (340, 5298688), (395, 4560896), (512, 3518660), (524, 3438080), (544, 3311680), (632, 2850560), (640, 2814928), (655, 2750464), (680, 2649344), (790, 2280448), (1024, 1759330), (1048, 1719040), (1088, 1655840), (1264, 1425280), (1280, 1407464), (1310, 1375232), (1343, 1341440), (1360, 1324672), (1580, 1140224), (2048, 879665), (2096, 859520), (2176, 827920), (2227, 808960), (2528, 712640), (2560, 703732), (2620, 687616), (2686, 670720), (2720, 662336), (3160, 570112), (4192, 429760), (4352, 413960), (4454, 404480), (5056, 356320), (5120, 351866), (5240, 343808), (5372, 335360), (5440, 331168), (6320, 285056), (6715, 268288), (8384, 214880), (8704, 206980), (8908, 202240), (10112, 178160), (10240, 175933), (10349, 174080), (10480, 171904), (10744, 167680), (10880, 165584), (11135, 161792), (12640, 142528), (13430, 134144), (16768, 107440), (17408, 103490), (17816, 101120), (20224, 89080), (20698, 87040), (20960, 85952), (21488, 83840), (21760, 82792), (22270, 80896), (25280, 71264), (26860, 67072), (33536, 53720), (34816, 51745), (35632, 50560), (40448, 44540), (41396, 43520), (41920, 42976)]