68710880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2032

約数の個数: 96

約数和(自身を含む): 191600640

約数和(自身を除く): 122889760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1979, 2170, 2480, 3472, 3958, 4340, 4960, 6944, 7916, 8680, 9895, 13853, 15832, 17360, 19790, 27706, 31664, 34720, 39580, 55412, 61349, 63328, 69265, 79160, 110824, 122698, 138530, 158320, 221648, 245396, 277060, 306745, 316640, 429443, 443296, 490792, 554120, 613490, 858886, 981584, 1108240, 1226980, 1717772, 1963168, 2147215, 2216480, 2453960, 3435544, 4294430, 4907920, 6871088, 8588860, 9815840, 13742176, 17177720, 34355440, 68710880]

約数ペア:

[(1, 68710880), (2, 34355440), (4, 17177720), (5, 13742176), (7, 9815840), (8, 8588860), (10, 6871088), (14, 4907920), (16, 4294430), (20, 3435544), (28, 2453960), (31, 2216480), (32, 2147215), (35, 1963168), (40, 1717772), (56, 1226980), (62, 1108240), (70, 981584), (80, 858886), (112, 613490), (124, 554120), (140, 490792), (155, 443296), (160, 429443), (217, 316640), (224, 306745), (248, 277060), (280, 245396), (310, 221648), (434, 158320), (496, 138530), (560, 122698), (620, 110824), (868, 79160), (992, 69265), (1085, 63328), (1120, 61349), (1240, 55412), (1736, 39580), (1979, 34720), (2170, 31664), (2480, 27706), (3472, 19790), (3958, 17360), (4340, 15832), (4960, 13853), (6944, 9895), (7916, 8680)]