72920680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 194469120

約数和(自身を除く): 121548440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 271, 280, 310, 434, 542, 620, 868, 961, 1084, 1085, 1240, 1355, 1736, 1897, 1922, 2168, 2170, 2710, 3794, 3844, 4340, 4805, 5420, 6727, 7588, 7688, 8401, 8680, 9485, 9610, 10840, 13454, 15176, 16802, 18970, 19220, 26908, 33604, 33635, 37940, 38440, 42005, 53816, 58807, 67208, 67270, 75880, 84010, 117614, 134540, 168020, 235228, 260431, 269080, 294035, 336040, 470456, 520862, 588070, 1041724, 1176140, 1302155, 1823017, 2083448, 2352280, 2604310, 3646034, 5208620, 7292068, 9115085, 10417240, 14584136, 18230170, 36460340, 72920680]

約数ペア:

[(1, 72920680), (2, 36460340), (4, 18230170), (5, 14584136), (7, 10417240), (8, 9115085), (10, 7292068), (14, 5208620), (20, 3646034), (28, 2604310), (31, 2352280), (35, 2083448), (40, 1823017), (56, 1302155), (62, 1176140), (70, 1041724), (124, 588070), (140, 520862), (155, 470456), (217, 336040), (248, 294035), (271, 269080), (280, 260431), (310, 235228), (434, 168020), (542, 134540), (620, 117614), (868, 84010), (961, 75880), (1084, 67270), (1085, 67208), (1240, 58807), (1355, 53816), (1736, 42005), (1897, 38440), (1922, 37940), (2168, 33635), (2170, 33604), (2710, 26908), (3794, 19220), (3844, 18970), (4340, 16802), (4805, 15176), (5420, 13454), (6727, 10840), (7588, 9610), (7688, 9485), (8401, 8680)]