80475640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2205

約数の個数: 96

約数和(自身を含む): 221821200

約数和(自身を除く): 141345560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2161, 2660, 3724, 4322, 4655, 5320, 7448, 8644, 9310, 10805, 15127, 17288, 18620, 21610, 30254, 37240, 41059, 43220, 60508, 75635, 82118, 86440, 105889, 121016, 151270, 164236, 205295, 211778, 287413, 302540, 328472, 410590, 423556, 529445, 574826, 605080, 821180, 847112, 1058890, 1149652, 1437065, 1642360, 2011891, 2117780, 2299304, 2874130, 4023782, 4235560, 5748260, 8047564, 10059455, 11496520, 16095128, 20118910, 40237820, 80475640]

約数ペア:

[(1, 80475640), (2, 40237820), (4, 20118910), (5, 16095128), (7, 11496520), (8, 10059455), (10, 8047564), (14, 5748260), (19, 4235560), (20, 4023782), (28, 2874130), (35, 2299304), (38, 2117780), (40, 2011891), (49, 1642360), (56, 1437065), (70, 1149652), (76, 1058890), (95, 847112), (98, 821180), (133, 605080), (140, 574826), (152, 529445), (190, 423556), (196, 410590), (245, 328472), (266, 302540), (280, 287413), (380, 211778), (392, 205295), (490, 164236), (532, 151270), (665, 121016), (760, 105889), (931, 86440), (980, 82118), (1064, 75635), (1330, 60508), (1862, 43220), (1960, 41059), (2161, 37240), (2660, 30254), (3724, 21610), (4322, 18620), (4655, 17288), (5320, 15127), (7448, 10805), (8644, 9310)]