255723888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1055

約数の個数: 160

約数和(自身を含む): 814947840

約数和(自身を除く): 559223952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 41, 42, 48, 56, 57, 76, 82, 84, 112, 114, 123, 133, 152, 164, 168, 228, 246, 266, 287, 304, 328, 336, 399, 456, 492, 532, 574, 656, 779, 798, 861, 912, 977, 984, 1064, 1148, 1558, 1596, 1722, 1954, 1968, 2128, 2296, 2337, 2931, 3116, 3192, 3444, 3908, 4592, 4674, 5453, 5862, 6232, 6384, 6839, 6888, 7816, 9348, 10906, 11724, 12464, 13678, 13776, 15632, 16359, 18563, 18696, 20517, 21812, 23448, 27356, 32718, 37126, 37392, 40057, 41034, 43624, 46896, 54712, 55689, 65436, 74252, 80114, 82068, 87248, 109424, 111378, 120171, 129941, 130872, 148504, 160228, 164136, 222756, 240342, 259882, 261744, 280399, 297008, 320456, 328272, 389823, 445512, 480684, 519764, 560798, 640912, 761083, 779646, 841197, 891024, 961368, 1039528, 1121596, 1522166, 1559292, 1682394, 1922736, 2079056, 2243192, 2283249, 3044332, 3118584, 3364788, 4486384, 4566498, 5327581, 6088664, 6237168, 6729576, 9132996, 10655162, 12177328, 13459152, 15982743, 18265992, 21310324, 31965486, 36531984, 42620648, 63930972, 85241296, 127861944, 255723888]

約数ペア:

[(1, 255723888), (2, 127861944), (3, 85241296), (4, 63930972), (6, 42620648), (7, 36531984), (8, 31965486), (12, 21310324), (14, 18265992), (16, 15982743), (19, 13459152), (21, 12177328), (24, 10655162), (28, 9132996), (38, 6729576), (41, 6237168), (42, 6088664), (48, 5327581), (56, 4566498), (57, 4486384), (76, 3364788), (82, 3118584), (84, 3044332), (112, 2283249), (114, 2243192), (123, 2079056), (133, 1922736), (152, 1682394), (164, 1559292), (168, 1522166), (228, 1121596), (246, 1039528), (266, 961368), (287, 891024), (304, 841197), (328, 779646), (336, 761083), (399, 640912), (456, 560798), (492, 519764), (532, 480684), (574, 445512), (656, 389823), (779, 328272), (798, 320456), (861, 297008), (912, 280399), (977, 261744), (984, 259882), (1064, 240342), (1148, 222756), (1558, 164136), (1596, 160228), (1722, 148504), (1954, 130872), (1968, 129941), (2128, 120171), (2296, 111378), (2337, 109424), (2931, 87248), (3116, 82068), (3192, 80114), (3444, 74252), (3908, 65436), (4592, 55689), (4674, 54712), (5453, 46896), (5862, 43624), (6232, 41034), (6384, 40057), (6839, 37392), (6888, 37126), (7816, 32718), (9348, 27356), (10906, 23448), (11724, 21812), (12464, 20517), (13678, 18696), (13776, 18563), (15632, 16359)]