261992040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{3313}}^1$

素因数の和:3986

約数の個数: 64

約数和(自身を含む): 787406400

約数和(自身を除く): 525414360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 659, 1318, 1977, 2636, 3295, 3313, 3954, 5272, 6590, 6626, 7908, 9885, 9939, 13180, 13252, 15816, 16565, 19770, 19878, 26360, 26504, 33130, 39540, 39756, 49695, 66260, 79080, 79512, 99390, 132520, 198780, 397560, 2183267, 4366534, 6549801, 8733068, 10916335, 13099602, 17466136, 21832670, 26199204, 32749005, 43665340, 52398408, 65498010, 87330680, 130996020, 261992040]

約数ペア:

[(1, 261992040), (2, 130996020), (3, 87330680), (4, 65498010), (5, 52398408), (6, 43665340), (8, 32749005), (10, 26199204), (12, 21832670), (15, 17466136), (20, 13099602), (24, 10916335), (30, 8733068), (40, 6549801), (60, 4366534), (120, 2183267), (659, 397560), (1318, 198780), (1977, 132520), (2636, 99390), (3295, 79512), (3313, 79080), (3954, 66260), (5272, 49695), (6590, 39756), (6626, 39540), (7908, 33130), (9885, 26504), (9939, 26360), (13180, 19878), (13252, 19770), (15816, 16565)]