1296647560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{3517}}^1$

素因数の和:4250

約数の個数: 64

約数和(自身を含む): 3147202800

約数和(自身を除く): 1850555240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 709, 1418, 2836, 3517, 3545, 5672, 7034, 7090, 9217, 14068, 14180, 17585, 18434, 28136, 28360, 35170, 36868, 45721, 46085, 70340, 73736, 91442, 92170, 140680, 182884, 184340, 228605, 365768, 368680, 457210, 914420, 1828840, 2493553, 4987106, 9974212, 12467765, 19948424, 24935530, 32416189, 49871060, 64832378, 99742120, 129664756, 162080945, 259329512, 324161890, 648323780, 1296647560]

約数ペア:

[(1, 1296647560), (2, 648323780), (4, 324161890), (5, 259329512), (8, 162080945), (10, 129664756), (13, 99742120), (20, 64832378), (26, 49871060), (40, 32416189), (52, 24935530), (65, 19948424), (104, 12467765), (130, 9974212), (260, 4987106), (520, 2493553), (709, 1828840), (1418, 914420), (2836, 457210), (3517, 368680), (3545, 365768), (5672, 228605), (7034, 184340), (7090, 182884), (9217, 140680), (14068, 92170), (14180, 91442), (17585, 73736), (18434, 70340), (28136, 46085), (28360, 45721), (35170, 36868)]