85725640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2183

約数の個数: 128

約数和(自身を含む): 259096320

約数和(自身を除く): 173370680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2141, 2860, 3080, 3640, 4004, 4282, 5005, 5720, 8008, 8564, 10010, 10705, 14987, 17128, 20020, 21410, 23551, 27833, 29974, 40040, 42820, 47102, 55666, 59948, 74935, 85640, 94204, 111332, 117755, 119896, 139165, 149870, 164857, 188408, 194831, 222664, 235510, 278330, 299740, 306163, 329714, 389662, 471020, 556660, 599480, 612326, 659428, 779324, 824285, 942040, 974155, 1113320, 1224652, 1318856, 1530815, 1558648, 1648570, 1948310, 2143141, 2449304, 3061630, 3297140, 3896620, 4286282, 6123260, 6594280, 7793240, 8572564, 10715705, 12246520, 17145128, 21431410, 42862820, 85725640]

約数ペア:

[(1, 85725640), (2, 42862820), (4, 21431410), (5, 17145128), (7, 12246520), (8, 10715705), (10, 8572564), (11, 7793240), (13, 6594280), (14, 6123260), (20, 4286282), (22, 3896620), (26, 3297140), (28, 3061630), (35, 2449304), (40, 2143141), (44, 1948310), (52, 1648570), (55, 1558648), (56, 1530815), (65, 1318856), (70, 1224652), (77, 1113320), (88, 974155), (91, 942040), (104, 824285), (110, 779324), (130, 659428), (140, 612326), (143, 599480), (154, 556660), (182, 471020), (220, 389662), (260, 329714), (280, 306163), (286, 299740), (308, 278330), (364, 235510), (385, 222664), (440, 194831), (455, 188408), (520, 164857), (572, 149870), (616, 139165), (715, 119896), (728, 117755), (770, 111332), (910, 94204), (1001, 85640), (1144, 74935), (1430, 59948), (1540, 55666), (1820, 47102), (2002, 42820), (2141, 40040), (2860, 29974), (3080, 27833), (3640, 23551), (4004, 21410), (4282, 20020), (5005, 17128), (5720, 14987), (8008, 10705), (8564, 10010)]