1640807072

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 3412886400

約数和(自身を除く): 1772079328

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 86, 106, 149, 151, 172, 212, 298, 302, 344, 424, 596, 604, 688, 848, 1192, 1208, 1376, 1696, 2279, 2384, 2416, 4558, 4768, 4832, 6407, 6493, 7897, 8003, 9116, 12814, 12986, 15794, 16006, 18232, 22499, 25628, 25972, 31588, 32012, 36464, 44998, 51256, 51944, 63176, 64024, 72928, 89996, 102512, 103888, 126352, 128048, 179992, 205024, 207776, 252704, 256096, 339571, 344129, 359984, 679142, 688258, 719968, 967457, 1192447, 1358284, 1376516, 1934914, 2384894, 2716568, 2753032, 3869828, 4769788, 5433136, 5506064, 7739656, 9539576, 10866272, 11012128, 15479312, 19079152, 30958624, 38158304, 51275221, 102550442, 205100884, 410201768, 820403536, 1640807072]

約数ペア:

[(1, 1640807072), (2, 820403536), (4, 410201768), (8, 205100884), (16, 102550442), (32, 51275221), (43, 38158304), (53, 30958624), (86, 19079152), (106, 15479312), (149, 11012128), (151, 10866272), (172, 9539576), (212, 7739656), (298, 5506064), (302, 5433136), (344, 4769788), (424, 3869828), (596, 2753032), (604, 2716568), (688, 2384894), (848, 1934914), (1192, 1376516), (1208, 1358284), (1376, 1192447), (1696, 967457), (2279, 719968), (2384, 688258), (2416, 679142), (4558, 359984), (4768, 344129), (4832, 339571), (6407, 256096), (6493, 252704), (7897, 207776), (8003, 205024), (9116, 179992), (12814, 128048), (12986, 126352), (15794, 103888), (16006, 102512), (18232, 89996), (22499, 72928), (25628, 64024), (25972, 63176), (31588, 51944), (32012, 51256), (36464, 44998)]