51321280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 112

約数和(自身を含む): 134599680

約数和(自身を除く): 83278400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 320, 367, 368, 380, 437, 460, 608, 734, 736, 760, 874, 920, 1216, 1468, 1472, 1520, 1748, 1835, 1840, 2185, 2936, 3040, 3496, 3670, 3680, 4370, 5872, 6080, 6973, 6992, 7340, 7360, 8441, 8740, 11744, 13946, 13984, 14680, 16882, 17480, 23488, 27892, 27968, 29360, 33764, 34865, 34960, 42205, 55784, 58720, 67528, 69730, 69920, 84410, 111568, 117440, 135056, 139460, 139840, 160379, 168820, 223136, 270112, 278920, 320758, 337640, 446272, 540224, 557840, 641516, 675280, 801895, 1115680, 1283032, 1350560, 1603790, 2231360, 2566064, 2701120, 3207580, 5132128, 6415160, 10264256, 12830320, 25660640, 51321280]

約数ペア:

[(1, 51321280), (2, 25660640), (4, 12830320), (5, 10264256), (8, 6415160), (10, 5132128), (16, 3207580), (19, 2701120), (20, 2566064), (23, 2231360), (32, 1603790), (38, 1350560), (40, 1283032), (46, 1115680), (64, 801895), (76, 675280), (80, 641516), (92, 557840), (95, 540224), (115, 446272), (152, 337640), (160, 320758), (184, 278920), (190, 270112), (230, 223136), (304, 168820), (320, 160379), (367, 139840), (368, 139460), (380, 135056), (437, 117440), (460, 111568), (608, 84410), (734, 69920), (736, 69730), (760, 67528), (874, 58720), (920, 55784), (1216, 42205), (1468, 34960), (1472, 34865), (1520, 33764), (1748, 29360), (1835, 27968), (1840, 27892), (2185, 23488), (2936, 17480), (3040, 16882), (3496, 14680), (3670, 13984), (3680, 13946), (4370, 11744), (5872, 8740), (6080, 8441), (6973, 7360), (6992, 7340)]