161206640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 160

約数和(自身を含む): 458304000

約数和(自身を除く): 297097360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 109, 112, 133, 139, 140, 152, 190, 218, 266, 278, 280, 304, 380, 436, 532, 545, 556, 560, 665, 695, 760, 763, 872, 973, 1064, 1090, 1112, 1330, 1390, 1520, 1526, 1744, 1946, 2071, 2128, 2180, 2224, 2641, 2660, 2780, 3052, 3815, 3892, 4142, 4360, 4865, 5282, 5320, 5560, 6104, 7630, 7784, 8284, 8720, 9730, 10355, 10564, 10640, 11120, 12208, 13205, 14497, 15151, 15260, 15568, 16568, 18487, 19460, 20710, 21128, 26410, 28994, 30302, 30520, 33136, 36974, 38920, 41420, 42256, 52820, 57988, 60604, 61040, 72485, 73948, 75755, 77840, 82840, 92435, 105640, 106057, 115976, 121208, 144970, 147896, 151510, 165680, 184870, 211280, 212114, 231952, 242416, 287869, 289940, 295792, 303020, 369740, 424228, 530285, 575738, 579880, 606040, 739480, 848456, 1060570, 1151476, 1159760, 1212080, 1439345, 1478960, 1696912, 2015083, 2121140, 2302952, 2878690, 4030166, 4242280, 4605904, 5757380, 8060332, 8484560, 10075415, 11514760, 16120664, 20150830, 23029520, 32241328, 40301660, 80603320, 161206640]

約数ペア:

[(1, 161206640), (2, 80603320), (4, 40301660), (5, 32241328), (7, 23029520), (8, 20150830), (10, 16120664), (14, 11514760), (16, 10075415), (19, 8484560), (20, 8060332), (28, 5757380), (35, 4605904), (38, 4242280), (40, 4030166), (56, 2878690), (70, 2302952), (76, 2121140), (80, 2015083), (95, 1696912), (109, 1478960), (112, 1439345), (133, 1212080), (139, 1159760), (140, 1151476), (152, 1060570), (190, 848456), (218, 739480), (266, 606040), (278, 579880), (280, 575738), (304, 530285), (380, 424228), (436, 369740), (532, 303020), (545, 295792), (556, 289940), (560, 287869), (665, 242416), (695, 231952), (760, 212114), (763, 211280), (872, 184870), (973, 165680), (1064, 151510), (1090, 147896), (1112, 144970), (1330, 121208), (1390, 115976), (1520, 106057), (1526, 105640), (1744, 92435), (1946, 82840), (2071, 77840), (2128, 75755), (2180, 73948), (2224, 72485), (2641, 61040), (2660, 60604), (2780, 57988), (3052, 52820), (3815, 42256), (3892, 41420), (4142, 38920), (4360, 36974), (4865, 33136), (5282, 30520), (5320, 30302), (5560, 28994), (6104, 26410), (7630, 21128), (7784, 20710), (8284, 19460), (8720, 18487), (9730, 16568), (10355, 15568), (10564, 15260), (10640, 15151), (11120, 14497), (12208, 13205)]