15661781000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{1307}}^1$

素因数の和:1872

約数の個数: 128

約数和(自身を含む): 38344700160

約数和(自身を除く): 22682919160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 521, 575, 920, 1000, 1042, 1150, 1307, 2084, 2300, 2605, 2614, 2875, 4168, 4600, 5210, 5228, 5750, 6535, 10420, 10456, 11500, 11983, 13025, 13070, 20840, 23000, 23966, 26050, 26140, 30061, 32675, 47932, 52100, 52280, 59915, 60122, 65125, 65350, 95864, 104200, 119830, 120244, 130250, 130700, 150305, 163375, 239660, 240488, 260500, 261400, 299575, 300610, 326750, 479320, 521000, 599150, 601220, 653500, 680947, 751525, 1198300, 1202440, 1307000, 1361894, 1497875, 1503050, 2396600, 2723788, 2995750, 3006100, 3404735, 3757625, 5447576, 5991500, 6012200, 6809470, 7515250, 11983000, 13618940, 15030500, 15661781, 17023675, 27237880, 30061000, 31323562, 34047350, 62647124, 68094700, 78308905, 85118375, 125294248, 136189400, 156617810, 170236750, 313235620, 340473500, 391544525, 626471240, 680947000, 783089050, 1566178100, 1957722625, 3132356200, 3915445250, 7830890500, 15661781000]

約数ペア:

[(1, 15661781000), (2, 7830890500), (4, 3915445250), (5, 3132356200), (8, 1957722625), (10, 1566178100), (20, 783089050), (23, 680947000), (25, 626471240), (40, 391544525), (46, 340473500), (50, 313235620), (92, 170236750), (100, 156617810), (115, 136189400), (125, 125294248), (184, 85118375), (200, 78308905), (230, 68094700), (250, 62647124), (460, 34047350), (500, 31323562), (521, 30061000), (575, 27237880), (920, 17023675), (1000, 15661781), (1042, 15030500), (1150, 13618940), (1307, 11983000), (2084, 7515250), (2300, 6809470), (2605, 6012200), (2614, 5991500), (2875, 5447576), (4168, 3757625), (4600, 3404735), (5210, 3006100), (5228, 2995750), (5750, 2723788), (6535, 2396600), (10420, 1503050), (10456, 1497875), (11500, 1361894), (11983, 1307000), (13025, 1202440), (13070, 1198300), (20840, 751525), (23000, 680947), (23966, 653500), (26050, 601220), (26140, 599150), (30061, 521000), (32675, 479320), (47932, 326750), (52100, 300610), (52280, 299575), (59915, 261400), (60122, 260500), (65125, 240488), (65350, 239660), (95864, 163375), (104200, 150305), (119830, 130700), (120244, 130250)]