65565960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 209520000

約数和(自身を除く): 143954040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 149, 152, 190, 193, 228, 285, 298, 380, 386, 447, 456, 570, 579, 596, 745, 760, 772, 894, 965, 1140, 1158, 1192, 1490, 1544, 1788, 1930, 2235, 2280, 2316, 2831, 2895, 2980, 3576, 3667, 3860, 4470, 4632, 5662, 5790, 5960, 7334, 7720, 8493, 8940, 11001, 11324, 11580, 14155, 14668, 16986, 17880, 18335, 22002, 22648, 23160, 28310, 28757, 29336, 33972, 36670, 42465, 44004, 55005, 56620, 57514, 67944, 73340, 84930, 86271, 88008, 110010, 113240, 115028, 143785, 146680, 169860, 172542, 220020, 230056, 287570, 339720, 345084, 431355, 440040, 546383, 575140, 690168, 862710, 1092766, 1150280, 1639149, 1725420, 2185532, 2731915, 3278298, 3450840, 4371064, 5463830, 6556596, 8195745, 10927660, 13113192, 16391490, 21855320, 32782980, 65565960]

約数ペア:

[(1, 65565960), (2, 32782980), (3, 21855320), (4, 16391490), (5, 13113192), (6, 10927660), (8, 8195745), (10, 6556596), (12, 5463830), (15, 4371064), (19, 3450840), (20, 3278298), (24, 2731915), (30, 2185532), (38, 1725420), (40, 1639149), (57, 1150280), (60, 1092766), (76, 862710), (95, 690168), (114, 575140), (120, 546383), (149, 440040), (152, 431355), (190, 345084), (193, 339720), (228, 287570), (285, 230056), (298, 220020), (380, 172542), (386, 169860), (447, 146680), (456, 143785), (570, 115028), (579, 113240), (596, 110010), (745, 88008), (760, 86271), (772, 84930), (894, 73340), (965, 67944), (1140, 57514), (1158, 56620), (1192, 55005), (1490, 44004), (1544, 42465), (1788, 36670), (1930, 33972), (2235, 29336), (2280, 28757), (2316, 28310), (2831, 23160), (2895, 22648), (2980, 22002), (3576, 18335), (3667, 17880), (3860, 16986), (4470, 14668), (4632, 14155), (5662, 11580), (5790, 11324), (5960, 11001), (7334, 8940), (7720, 8493)]