78048880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 160

約数和(自身を含む): 227985408

約数和(自身を除く): 149936528

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 80, 91, 104, 112, 130, 140, 142, 151, 182, 208, 260, 280, 284, 302, 355, 364, 455, 497, 520, 560, 568, 604, 710, 728, 755, 910, 923, 994, 1040, 1057, 1136, 1208, 1420, 1456, 1510, 1820, 1846, 1963, 1988, 2114, 2416, 2485, 2840, 3020, 3640, 3692, 3926, 3976, 4228, 4615, 4970, 5285, 5680, 6040, 6461, 7280, 7384, 7852, 7952, 8456, 9230, 9815, 9940, 10570, 10721, 12080, 12922, 13741, 14768, 15704, 16912, 18460, 19630, 19880, 21140, 21442, 25844, 27482, 31408, 32305, 36920, 39260, 39760, 42280, 42884, 51688, 53605, 54964, 64610, 68705, 73840, 75047, 78520, 84560, 85768, 103376, 107210, 109928, 129220, 137410, 139373, 150094, 157040, 171536, 214420, 219856, 258440, 274820, 278746, 300188, 375235, 428840, 516880, 549640, 557492, 600376, 696865, 750470, 857680, 975611, 1099280, 1114984, 1200752, 1393730, 1500940, 1951222, 2229968, 2787460, 3001880, 3902444, 4878055, 5574920, 6003760, 7804888, 9756110, 11149840, 15609776, 19512220, 39024440, 78048880]

約数ペア:

[(1, 78048880), (2, 39024440), (4, 19512220), (5, 15609776), (7, 11149840), (8, 9756110), (10, 7804888), (13, 6003760), (14, 5574920), (16, 4878055), (20, 3902444), (26, 3001880), (28, 2787460), (35, 2229968), (40, 1951222), (52, 1500940), (56, 1393730), (65, 1200752), (70, 1114984), (71, 1099280), (80, 975611), (91, 857680), (104, 750470), (112, 696865), (130, 600376), (140, 557492), (142, 549640), (151, 516880), (182, 428840), (208, 375235), (260, 300188), (280, 278746), (284, 274820), (302, 258440), (355, 219856), (364, 214420), (455, 171536), (497, 157040), (520, 150094), (560, 139373), (568, 137410), (604, 129220), (710, 109928), (728, 107210), (755, 103376), (910, 85768), (923, 84560), (994, 78520), (1040, 75047), (1057, 73840), (1136, 68705), (1208, 64610), (1420, 54964), (1456, 53605), (1510, 51688), (1820, 42884), (1846, 42280), (1963, 39760), (1988, 39260), (2114, 36920), (2416, 32305), (2485, 31408), (2840, 27482), (3020, 25844), (3640, 21442), (3692, 21140), (3926, 19880), (3976, 19630), (4228, 18460), (4615, 16912), (4970, 15704), (5285, 14768), (5680, 13741), (6040, 12922), (6461, 12080), (7280, 10721), (7384, 10570), (7852, 9940), (7952, 9815), (8456, 9230)]