1664351780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{19457}}^1$

素因数の和:19533

約数の個数: 96

約数和(自身を含む): 4393460736

約数和(自身を除く): 2729108956

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 91, 94, 130, 140, 182, 188, 235, 260, 329, 364, 455, 470, 611, 658, 910, 940, 1222, 1316, 1645, 1820, 2444, 3055, 3290, 4277, 6110, 6580, 8554, 12220, 17108, 19457, 21385, 38914, 42770, 77828, 85540, 97285, 136199, 194570, 252941, 272398, 389140, 505882, 544796, 680995, 914479, 1011764, 1264705, 1361990, 1770587, 1828958, 2529410, 2723980, 3541174, 3657916, 4572395, 5058820, 6401353, 7082348, 8852935, 9144790, 11888227, 12802706, 17705870, 18289580, 23776454, 25605412, 32006765, 35411740, 47552908, 59441135, 64013530, 83217589, 118882270, 128027060, 166435178, 237764540, 332870356, 416087945, 832175890, 1664351780]

約数ペア:

[(1, 1664351780), (2, 832175890), (4, 416087945), (5, 332870356), (7, 237764540), (10, 166435178), (13, 128027060), (14, 118882270), (20, 83217589), (26, 64013530), (28, 59441135), (35, 47552908), (47, 35411740), (52, 32006765), (65, 25605412), (70, 23776454), (91, 18289580), (94, 17705870), (130, 12802706), (140, 11888227), (182, 9144790), (188, 8852935), (235, 7082348), (260, 6401353), (329, 5058820), (364, 4572395), (455, 3657916), (470, 3541174), (611, 2723980), (658, 2529410), (910, 1828958), (940, 1770587), (1222, 1361990), (1316, 1264705), (1645, 1011764), (1820, 914479), (2444, 680995), (3055, 544796), (3290, 505882), (4277, 389140), (6110, 272398), (6580, 252941), (8554, 194570), (12220, 136199), (17108, 97285), (19457, 85540), (21385, 77828), (38914, 42770)]