181541440

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:296

約数の個数: 112

約数和(自身を含む): 450488304

約数和(自身を除く): 268946864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 101, 137, 160, 164, 202, 205, 274, 320, 328, 404, 410, 505, 548, 656, 685, 808, 820, 1010, 1096, 1312, 1370, 1616, 1640, 2020, 2192, 2624, 2740, 3232, 3280, 4040, 4141, 4384, 5480, 5617, 6464, 6560, 8080, 8282, 8768, 10960, 11234, 13120, 13837, 16160, 16564, 20705, 21920, 22468, 27674, 28085, 32320, 33128, 41410, 43840, 44936, 55348, 56170, 66256, 69185, 82820, 89872, 110696, 112340, 132512, 138370, 165640, 179744, 221392, 224680, 265024, 276740, 331280, 359488, 442784, 449360, 553480, 567317, 662560, 885568, 898720, 1106960, 1134634, 1325120, 1797440, 2213920, 2269268, 2836585, 4427840, 4538536, 5673170, 9077072, 11346340, 18154144, 22692680, 36308288, 45385360, 90770720, 181541440]

約数ペア:

[(1, 181541440), (2, 90770720), (4, 45385360), (5, 36308288), (8, 22692680), (10, 18154144), (16, 11346340), (20, 9077072), (32, 5673170), (40, 4538536), (41, 4427840), (64, 2836585), (80, 2269268), (82, 2213920), (101, 1797440), (137, 1325120), (160, 1134634), (164, 1106960), (202, 898720), (205, 885568), (274, 662560), (320, 567317), (328, 553480), (404, 449360), (410, 442784), (505, 359488), (548, 331280), (656, 276740), (685, 265024), (808, 224680), (820, 221392), (1010, 179744), (1096, 165640), (1312, 138370), (1370, 132512), (1616, 112340), (1640, 110696), (2020, 89872), (2192, 82820), (2624, 69185), (2740, 66256), (3232, 56170), (3280, 55348), (4040, 44936), (4141, 43840), (4384, 41410), (5480, 33128), (5617, 32320), (6464, 28085), (6560, 27674), (8080, 22468), (8282, 21920), (8768, 20705), (10960, 16564), (11234, 16160), (13120, 13837)]