213720640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1307}}^1$

素因数の和:1404

約数の個数: 112

約数和(自身を含む): 590044032

約数和(自身を除く): 376323392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 730, 1022, 1120, 1168, 1307, 1460, 2044, 2240, 2336, 2555, 2614, 2920, 4088, 4672, 5110, 5228, 5840, 6535, 8176, 9149, 10220, 10456, 11680, 13070, 16352, 18298, 20440, 20912, 23360, 26140, 32704, 36596, 40880, 41824, 45745, 52280, 73192, 81760, 83648, 91490, 95411, 104560, 146384, 163520, 182980, 190822, 209120, 292768, 365960, 381644, 418240, 477055, 585536, 667877, 731920, 763288, 954110, 1335754, 1463840, 1526576, 1908220, 2671508, 2927680, 3053152, 3339385, 3816440, 5343016, 6106304, 6678770, 7632880, 10686032, 13357540, 15265760, 21372064, 26715080, 30531520, 42744128, 53430160, 106860320, 213720640]

約数ペア:

[(1, 213720640), (2, 106860320), (4, 53430160), (5, 42744128), (7, 30531520), (8, 26715080), (10, 21372064), (14, 15265760), (16, 13357540), (20, 10686032), (28, 7632880), (32, 6678770), (35, 6106304), (40, 5343016), (56, 3816440), (64, 3339385), (70, 3053152), (73, 2927680), (80, 2671508), (112, 1908220), (140, 1526576), (146, 1463840), (160, 1335754), (224, 954110), (280, 763288), (292, 731920), (320, 667877), (365, 585536), (448, 477055), (511, 418240), (560, 381644), (584, 365960), (730, 292768), (1022, 209120), (1120, 190822), (1168, 182980), (1307, 163520), (1460, 146384), (2044, 104560), (2240, 95411), (2336, 91490), (2555, 83648), (2614, 81760), (2920, 73192), (4088, 52280), (4672, 45745), (5110, 41824), (5228, 40880), (5840, 36596), (6535, 32704), (8176, 26140), (9149, 23360), (10220, 20912), (10456, 20440), (11680, 18298), (13070, 16352)]