2080686520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1481}}^1$

素因数の和:1637

約数の個数: 128

約数和(自身を含む): 5326663680

約数和(自身を除く): 3245977160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 103, 110, 124, 155, 206, 220, 248, 310, 341, 412, 440, 515, 620, 682, 824, 1030, 1133, 1240, 1364, 1481, 1705, 2060, 2266, 2728, 2962, 3193, 3410, 4120, 4532, 5665, 5924, 6386, 6820, 7405, 9064, 11330, 11848, 12772, 13640, 14810, 15965, 16291, 22660, 25544, 29620, 31930, 32582, 35123, 45320, 45911, 59240, 63860, 65164, 70246, 81455, 91822, 127720, 130328, 140492, 152543, 162910, 175615, 183644, 229555, 280984, 305086, 325820, 351230, 367288, 459110, 505021, 610172, 651640, 702460, 762715, 918220, 1010042, 1220344, 1404920, 1525430, 1677973, 1836440, 2020084, 2525105, 3050860, 3355946, 4040168, 4728833, 5050210, 6101720, 6711892, 8389865, 9457666, 10100420, 13423784, 16779730, 18915332, 20200840, 23644165, 33559460, 37830664, 47288330, 52017163, 67118920, 94576660, 104034326, 189153320, 208068652, 260085815, 416137304, 520171630, 1040343260, 2080686520]

約数ペア:

[(1, 2080686520), (2, 1040343260), (4, 520171630), (5, 416137304), (8, 260085815), (10, 208068652), (11, 189153320), (20, 104034326), (22, 94576660), (31, 67118920), (40, 52017163), (44, 47288330), (55, 37830664), (62, 33559460), (88, 23644165), (103, 20200840), (110, 18915332), (124, 16779730), (155, 13423784), (206, 10100420), (220, 9457666), (248, 8389865), (310, 6711892), (341, 6101720), (412, 5050210), (440, 4728833), (515, 4040168), (620, 3355946), (682, 3050860), (824, 2525105), (1030, 2020084), (1133, 1836440), (1240, 1677973), (1364, 1525430), (1481, 1404920), (1705, 1220344), (2060, 1010042), (2266, 918220), (2728, 762715), (2962, 702460), (3193, 651640), (3410, 610172), (4120, 505021), (4532, 459110), (5665, 367288), (5924, 351230), (6386, 325820), (6820, 305086), (7405, 280984), (9064, 229555), (11330, 183644), (11848, 175615), (12772, 162910), (13640, 152543), (14810, 140492), (15965, 130328), (16291, 127720), (22660, 91822), (25544, 81455), (29620, 70246), (31930, 65164), (32582, 63860), (35123, 59240), (45320, 45911)]