78313760

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{1427}}^1$

素因数の和:1463

約数の個数: 96

約数和(自身を含む): 215913600

約数和(自身を除く): 137599840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1427, 1568, 1715, 1960, 2744, 2854, 3430, 3920, 5488, 5708, 6860, 7135, 7840, 9989, 10976, 11416, 13720, 14270, 19978, 22832, 27440, 28540, 39956, 45664, 49945, 54880, 57080, 69923, 79912, 99890, 114160, 139846, 159824, 199780, 228320, 279692, 319648, 349615, 399560, 489461, 559384, 699230, 799120, 978922, 1118768, 1398460, 1598240, 1957844, 2237536, 2447305, 2796920, 3915688, 4894610, 5593840, 7831376, 9789220, 11187680, 15662752, 19578440, 39156880, 78313760]

約数ペア:

[(1, 78313760), (2, 39156880), (4, 19578440), (5, 15662752), (7, 11187680), (8, 9789220), (10, 7831376), (14, 5593840), (16, 4894610), (20, 3915688), (28, 2796920), (32, 2447305), (35, 2237536), (40, 1957844), (49, 1598240), (56, 1398460), (70, 1118768), (80, 978922), (98, 799120), (112, 699230), (140, 559384), (160, 489461), (196, 399560), (224, 349615), (245, 319648), (280, 279692), (343, 228320), (392, 199780), (490, 159824), (560, 139846), (686, 114160), (784, 99890), (980, 79912), (1120, 69923), (1372, 57080), (1427, 54880), (1568, 49945), (1715, 45664), (1960, 39956), (2744, 28540), (2854, 27440), (3430, 22832), (3920, 19978), (5488, 14270), (5708, 13720), (6860, 11416), (7135, 10976), (7840, 9989)]