2057180840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1987}}^1$

素因数の和:2203

約数の個数: 128

約数和(自身を含む): 5470657920

約数和(自身を除く): 3413477080

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 181, 220, 260, 286, 362, 440, 520, 572, 715, 724, 905, 1144, 1430, 1448, 1810, 1987, 1991, 2353, 2860, 3620, 3974, 3982, 4706, 5720, 7240, 7948, 7964, 9412, 9935, 9955, 11765, 15896, 15928, 18824, 19870, 19910, 21857, 23530, 25831, 25883, 39740, 39820, 43714, 47060, 51662, 51766, 79480, 79640, 87428, 94120, 103324, 103532, 109285, 129155, 129415, 174856, 206648, 207064, 218570, 258310, 258830, 284141, 359647, 437140, 516620, 517660, 568282, 719294, 874280, 1033240, 1035320, 1136564, 1420705, 1438588, 1798235, 2273128, 2841410, 2877176, 3596470, 3956117, 4675411, 5682820, 7192940, 7912234, 9350822, 11365640, 14385880, 15824468, 18701644, 19780585, 23377055, 31648936, 37403288, 39561170, 46754110, 51429521, 79122340, 93508220, 102859042, 158244680, 187016440, 205718084, 257147605, 411436168, 514295210, 1028590420, 2057180840]

約数ペア:

[(1, 2057180840), (2, 1028590420), (4, 514295210), (5, 411436168), (8, 257147605), (10, 205718084), (11, 187016440), (13, 158244680), (20, 102859042), (22, 93508220), (26, 79122340), (40, 51429521), (44, 46754110), (52, 39561170), (55, 37403288), (65, 31648936), (88, 23377055), (104, 19780585), (110, 18701644), (130, 15824468), (143, 14385880), (181, 11365640), (220, 9350822), (260, 7912234), (286, 7192940), (362, 5682820), (440, 4675411), (520, 3956117), (572, 3596470), (715, 2877176), (724, 2841410), (905, 2273128), (1144, 1798235), (1430, 1438588), (1448, 1420705), (1810, 1136564), (1987, 1035320), (1991, 1033240), (2353, 874280), (2860, 719294), (3620, 568282), (3974, 517660), (3982, 516620), (4706, 437140), (5720, 359647), (7240, 284141), (7948, 258830), (7964, 258310), (9412, 218570), (9935, 207064), (9955, 206648), (11765, 174856), (15896, 129415), (15928, 129155), (18824, 109285), (19870, 103532), (19910, 103324), (21857, 94120), (23530, 87428), (25831, 79640), (25883, 79480), (39740, 51766), (39820, 51662), (43714, 47060)]