1285280080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1069}}^1$

素因数の和:1221

約数の個数: 160

約数和(自身を含む): 3630124800

約数和(自身を除く): 2344844720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 113, 133, 140, 152, 190, 226, 266, 280, 304, 380, 452, 532, 560, 565, 665, 760, 791, 904, 1064, 1069, 1130, 1330, 1520, 1582, 1808, 2128, 2138, 2147, 2260, 2660, 3164, 3955, 4276, 4294, 4520, 5320, 5345, 6328, 7483, 7910, 8552, 8588, 9040, 10640, 10690, 10735, 12656, 14966, 15029, 15820, 17104, 17176, 20311, 21380, 21470, 29932, 30058, 31640, 34352, 37415, 40622, 42760, 42940, 59864, 60116, 63280, 74830, 75145, 81244, 85520, 85880, 101555, 119728, 120232, 120797, 142177, 149660, 150290, 162488, 171760, 203110, 240464, 241594, 284354, 299320, 300580, 324976, 406220, 483188, 568708, 598640, 601160, 603985, 710885, 812440, 845579, 966376, 1137416, 1202320, 1207970, 1421770, 1624880, 1691158, 1932752, 2274832, 2295143, 2415940, 2843540, 3382316, 4227895, 4590286, 4831880, 5687080, 6764632, 8455790, 9180572, 9663760, 11374160, 11475715, 13529264, 16066001, 16911580, 18361144, 22951430, 32132002, 33823160, 36722288, 45902860, 64264004, 67646320, 80330005, 91805720, 128528008, 160660010, 183611440, 257056016, 321320020, 642640040, 1285280080]

約数ペア:

[(1, 1285280080), (2, 642640040), (4, 321320020), (5, 257056016), (7, 183611440), (8, 160660010), (10, 128528008), (14, 91805720), (16, 80330005), (19, 67646320), (20, 64264004), (28, 45902860), (35, 36722288), (38, 33823160), (40, 32132002), (56, 22951430), (70, 18361144), (76, 16911580), (80, 16066001), (95, 13529264), (112, 11475715), (113, 11374160), (133, 9663760), (140, 9180572), (152, 8455790), (190, 6764632), (226, 5687080), (266, 4831880), (280, 4590286), (304, 4227895), (380, 3382316), (452, 2843540), (532, 2415940), (560, 2295143), (565, 2274832), (665, 1932752), (760, 1691158), (791, 1624880), (904, 1421770), (1064, 1207970), (1069, 1202320), (1130, 1137416), (1330, 966376), (1520, 845579), (1582, 812440), (1808, 710885), (2128, 603985), (2138, 601160), (2147, 598640), (2260, 568708), (2660, 483188), (3164, 406220), (3955, 324976), (4276, 300580), (4294, 299320), (4520, 284354), (5320, 241594), (5345, 240464), (6328, 203110), (7483, 171760), (7910, 162488), (8552, 150290), (8588, 149660), (9040, 142177), (10640, 120797), (10690, 120232), (10735, 119728), (12656, 101555), (14966, 85880), (15029, 85520), (15820, 81244), (17104, 75145), (17176, 74830), (20311, 63280), (21380, 60116), (21470, 59864), (29932, 42940), (30058, 42760), (31640, 40622), (34352, 37415)]