137421760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2034

約数の個数: 112

約数和(自身を含む): 386242560

約数和(自身を除く): 248820800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1979, 1984, 2170, 2240, 2480, 3472, 3958, 4340, 4960, 6944, 7916, 8680, 9895, 9920, 13853, 13888, 15832, 17360, 19790, 27706, 31664, 34720, 39580, 55412, 61349, 63328, 69265, 69440, 79160, 110824, 122698, 126656, 138530, 158320, 221648, 245396, 277060, 306745, 316640, 429443, 443296, 490792, 554120, 613490, 633280, 858886, 886592, 981584, 1108240, 1226980, 1717772, 1963168, 2147215, 2216480, 2453960, 3435544, 3926336, 4294430, 4432960, 4907920, 6871088, 8588860, 9815840, 13742176, 17177720, 19631680, 27484352, 34355440, 68710880, 137421760]

約数ペア:

[(1, 137421760), (2, 68710880), (4, 34355440), (5, 27484352), (7, 19631680), (8, 17177720), (10, 13742176), (14, 9815840), (16, 8588860), (20, 6871088), (28, 4907920), (31, 4432960), (32, 4294430), (35, 3926336), (40, 3435544), (56, 2453960), (62, 2216480), (64, 2147215), (70, 1963168), (80, 1717772), (112, 1226980), (124, 1108240), (140, 981584), (155, 886592), (160, 858886), (217, 633280), (224, 613490), (248, 554120), (280, 490792), (310, 443296), (320, 429443), (434, 316640), (448, 306745), (496, 277060), (560, 245396), (620, 221648), (868, 158320), (992, 138530), (1085, 126656), (1120, 122698), (1240, 110824), (1736, 79160), (1979, 69440), (1984, 69265), (2170, 63328), (2240, 61349), (2480, 55412), (3472, 39580), (3958, 34720), (4340, 31664), (4960, 27706), (6944, 19790), (7916, 17360), (8680, 15832), (9895, 13888), (9920, 13853)]