64497840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2221}}^1$

素因数の和:2259

約数の個数: 120

約数和(自身を含む): 219871344

約数和(自身を除く): 155373504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 1210, 1320, 1452, 1815, 1936, 2221, 2420, 2640, 2904, 3630, 4442, 4840, 5808, 6663, 7260, 8884, 9680, 11105, 13326, 14520, 17768, 22210, 24431, 26652, 29040, 33315, 35536, 44420, 48862, 53304, 66630, 73293, 88840, 97724, 106608, 122155, 133260, 146586, 177680, 195448, 244310, 266520, 268741, 293172, 366465, 390896, 488620, 533040, 537482, 586344, 732930, 806223, 977240, 1074964, 1172688, 1343705, 1465860, 1612446, 1954480, 2149928, 2687410, 2931720, 3224892, 4031115, 4299856, 5374820, 5863440, 6449784, 8062230, 10749640, 12899568, 16124460, 21499280, 32248920, 64497840]

約数ペア:

[(1, 64497840), (2, 32248920), (3, 21499280), (4, 16124460), (5, 12899568), (6, 10749640), (8, 8062230), (10, 6449784), (11, 5863440), (12, 5374820), (15, 4299856), (16, 4031115), (20, 3224892), (22, 2931720), (24, 2687410), (30, 2149928), (33, 1954480), (40, 1612446), (44, 1465860), (48, 1343705), (55, 1172688), (60, 1074964), (66, 977240), (80, 806223), (88, 732930), (110, 586344), (120, 537482), (121, 533040), (132, 488620), (165, 390896), (176, 366465), (220, 293172), (240, 268741), (242, 266520), (264, 244310), (330, 195448), (363, 177680), (440, 146586), (484, 133260), (528, 122155), (605, 106608), (660, 97724), (726, 88840), (880, 73293), (968, 66630), (1210, 53304), (1320, 48862), (1452, 44420), (1815, 35536), (1936, 33315), (2221, 29040), (2420, 26652), (2640, 24431), (2904, 22210), (3630, 17768), (4442, 14520), (4840, 13326), (5808, 11105), (6663, 9680), (7260, 8884)]