207721280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 168

約数和(自身を含む): 562246272

約数和(自身を除く): 354524992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 167, 169, 184, 208, 230, 260, 299, 320, 334, 338, 368, 416, 460, 520, 598, 668, 676, 736, 832, 835, 845, 920, 1040, 1196, 1336, 1352, 1472, 1495, 1670, 1690, 1840, 2080, 2171, 2392, 2672, 2704, 2990, 3340, 3380, 3680, 3841, 3887, 4160, 4342, 4784, 5344, 5408, 5980, 6680, 6760, 7360, 7682, 7774, 8684, 9568, 10688, 10816, 10855, 11960, 13360, 13520, 15364, 15548, 17368, 19136, 19205, 19435, 21710, 23920, 26720, 27040, 28223, 30728, 31096, 34736, 38410, 38870, 43420, 47840, 49933, 53440, 54080, 56446, 61456, 62192, 69472, 76820, 77740, 86840, 95680, 99866, 112892, 122912, 124384, 138944, 141115, 153640, 155480, 173680, 199732, 225784, 245824, 248768, 249665, 282230, 307280, 310960, 347360, 399464, 451568, 499330, 564460, 614560, 621920, 649129, 694720, 798928, 903136, 998660, 1128920, 1229120, 1243840, 1298258, 1597856, 1806272, 1997320, 2257840, 2596516, 3195712, 3245645, 3994640, 4515680, 5193032, 6491290, 7989280, 9031360, 10386064, 12982580, 15978560, 20772128, 25965160, 41544256, 51930320, 103860640, 207721280]

約数ペア:

[(1, 207721280), (2, 103860640), (4, 51930320), (5, 41544256), (8, 25965160), (10, 20772128), (13, 15978560), (16, 12982580), (20, 10386064), (23, 9031360), (26, 7989280), (32, 6491290), (40, 5193032), (46, 4515680), (52, 3994640), (64, 3245645), (65, 3195712), (80, 2596516), (92, 2257840), (104, 1997320), (115, 1806272), (130, 1597856), (160, 1298258), (167, 1243840), (169, 1229120), (184, 1128920), (208, 998660), (230, 903136), (260, 798928), (299, 694720), (320, 649129), (334, 621920), (338, 614560), (368, 564460), (416, 499330), (460, 451568), (520, 399464), (598, 347360), (668, 310960), (676, 307280), (736, 282230), (832, 249665), (835, 248768), (845, 245824), (920, 225784), (1040, 199732), (1196, 173680), (1336, 155480), (1352, 153640), (1472, 141115), (1495, 138944), (1670, 124384), (1690, 122912), (1840, 112892), (2080, 99866), (2171, 95680), (2392, 86840), (2672, 77740), (2704, 76820), (2990, 69472), (3340, 62192), (3380, 61456), (3680, 56446), (3841, 54080), (3887, 53440), (4160, 49933), (4342, 47840), (4784, 43420), (5344, 38870), (5408, 38410), (5980, 34736), (6680, 31096), (6760, 30728), (7360, 28223), (7682, 27040), (7774, 26720), (8684, 23920), (9568, 21710), (10688, 19435), (10816, 19205), (10855, 19136), (11960, 17368), (13360, 15548), (13520, 15364)]