2542960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 7142400

約数和(自身を除く): 4599440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 239, 266, 280, 304, 380, 478, 532, 560, 665, 760, 956, 1064, 1195, 1330, 1520, 1673, 1912, 2128, 2390, 2660, 3346, 3824, 4541, 4780, 5320, 6692, 8365, 9082, 9560, 10640, 13384, 16730, 18164, 19120, 22705, 26768, 31787, 33460, 36328, 45410, 63574, 66920, 72656, 90820, 127148, 133840, 158935, 181640, 254296, 317870, 363280, 508592, 635740, 1271480, 2542960]

約数ペア:

[(1, 2542960), (2, 1271480), (4, 635740), (5, 508592), (7, 363280), (8, 317870), (10, 254296), (14, 181640), (16, 158935), (19, 133840), (20, 127148), (28, 90820), (35, 72656), (38, 66920), (40, 63574), (56, 45410), (70, 36328), (76, 33460), (80, 31787), (95, 26768), (112, 22705), (133, 19120), (140, 18164), (152, 16730), (190, 13384), (239, 10640), (266, 9560), (280, 9082), (304, 8365), (380, 6692), (478, 5320), (532, 4780), (560, 4541), (665, 3824), (760, 3346), (956, 2660), (1064, 2390), (1195, 2128), (1330, 1912), (1520, 1673)]