77912120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 210651840

約数和(自身を除く): 132739720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 53, 55, 65, 88, 104, 106, 110, 130, 143, 212, 220, 257, 260, 265, 286, 424, 440, 514, 520, 530, 572, 583, 689, 715, 1028, 1060, 1144, 1166, 1285, 1378, 1430, 2056, 2120, 2332, 2570, 2756, 2827, 2860, 2915, 3341, 3445, 4664, 5140, 5512, 5654, 5720, 5830, 6682, 6890, 7579, 10280, 11308, 11660, 13364, 13621, 13780, 14135, 15158, 16705, 22616, 23320, 26728, 27242, 27560, 28270, 30316, 33410, 36751, 37895, 54484, 56540, 60632, 66820, 68105, 73502, 75790, 108968, 113080, 133640, 136210, 147004, 149831, 151580, 177073, 183755, 272420, 294008, 299662, 303160, 354146, 367510, 544840, 599324, 708292, 735020, 749155, 885365, 1198648, 1416584, 1470040, 1498310, 1770730, 1947803, 2996620, 3541460, 3895606, 5993240, 7082920, 7791212, 9739015, 15582424, 19478030, 38956060, 77912120]

約数ペア:

[(1, 77912120), (2, 38956060), (4, 19478030), (5, 15582424), (8, 9739015), (10, 7791212), (11, 7082920), (13, 5993240), (20, 3895606), (22, 3541460), (26, 2996620), (40, 1947803), (44, 1770730), (52, 1498310), (53, 1470040), (55, 1416584), (65, 1198648), (88, 885365), (104, 749155), (106, 735020), (110, 708292), (130, 599324), (143, 544840), (212, 367510), (220, 354146), (257, 303160), (260, 299662), (265, 294008), (286, 272420), (424, 183755), (440, 177073), (514, 151580), (520, 149831), (530, 147004), (572, 136210), (583, 133640), (689, 113080), (715, 108968), (1028, 75790), (1060, 73502), (1144, 68105), (1166, 66820), (1285, 60632), (1378, 56540), (1430, 54484), (2056, 37895), (2120, 36751), (2332, 33410), (2570, 30316), (2756, 28270), (2827, 27560), (2860, 27242), (2915, 26728), (3341, 23320), (3445, 22616), (4664, 16705), (5140, 15158), (5512, 14135), (5654, 13780), (5720, 13621), (5830, 13364), (6682, 11660), (6890, 11308), (7579, 10280)]