2008097560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1\times {\mathrm{461}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 5300951040

約数和(自身を除く): 3292853480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 331, 376, 461, 470, 658, 662, 922, 940, 1316, 1324, 1645, 1655, 1844, 1880, 2305, 2317, 2632, 2648, 3227, 3290, 3310, 3688, 4610, 4634, 6454, 6580, 6620, 9220, 9268, 11585, 12908, 13160, 13240, 15557, 16135, 18440, 18536, 21667, 23170, 25816, 31114, 32270, 43334, 46340, 62228, 64540, 77785, 86668, 92680, 108335, 108899, 124456, 129080, 151669, 152591, 155570, 173336, 216670, 217798, 303338, 305182, 311140, 433340, 435596, 544495, 606676, 610364, 622280, 758345, 762955, 866680, 871192, 1068137, 1088990, 1213352, 1220728, 1516690, 1525910, 2136274, 2177980, 3033380, 3051820, 4272548, 4355960, 5340685, 6066760, 6103640, 7171777, 8545096, 10681370, 14343554, 21362740, 28687108, 35858885, 42725480, 50202439, 57374216, 71717770, 100404878, 143435540, 200809756, 251012195, 286871080, 401619512, 502024390, 1004048780, 2008097560]

約数ペア:

[(1, 2008097560), (2, 1004048780), (4, 502024390), (5, 401619512), (7, 286871080), (8, 251012195), (10, 200809756), (14, 143435540), (20, 100404878), (28, 71717770), (35, 57374216), (40, 50202439), (47, 42725480), (56, 35858885), (70, 28687108), (94, 21362740), (140, 14343554), (188, 10681370), (235, 8545096), (280, 7171777), (329, 6103640), (331, 6066760), (376, 5340685), (461, 4355960), (470, 4272548), (658, 3051820), (662, 3033380), (922, 2177980), (940, 2136274), (1316, 1525910), (1324, 1516690), (1645, 1220728), (1655, 1213352), (1844, 1088990), (1880, 1068137), (2305, 871192), (2317, 866680), (2632, 762955), (2648, 758345), (3227, 622280), (3290, 610364), (3310, 606676), (3688, 544495), (4610, 435596), (4634, 433340), (6454, 311140), (6580, 305182), (6620, 303338), (9220, 217798), (9268, 216670), (11585, 173336), (12908, 155570), (13160, 152591), (13240, 151669), (15557, 129080), (16135, 124456), (18440, 108899), (18536, 108335), (21667, 92680), (23170, 86668), (25816, 77785), (31114, 64540), (32270, 62228), (43334, 46340)]