291682720

素因数分解:

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

素因数の和:355

約数の個数: 144

約数和(自身を含む): 816770304

約数和(自身を除く): 525087584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 271, 280, 310, 434, 496, 542, 560, 620, 868, 961, 992, 1084, 1085, 1120, 1240, 1355, 1736, 1897, 1922, 2168, 2170, 2480, 2710, 3472, 3794, 3844, 4336, 4340, 4805, 4960, 5420, 6727, 6944, 7588, 7688, 8401, 8672, 8680, 9485, 9610, 10840, 13454, 15176, 15376, 16802, 17360, 18970, 19220, 21680, 26908, 30352, 30752, 33604, 33635, 34720, 37940, 38440, 42005, 43360, 53816, 58807, 60704, 67208, 67270, 75880, 76880, 84010, 107632, 117614, 134416, 134540, 151760, 153760, 168020, 215264, 235228, 260431, 268832, 269080, 294035, 303520, 336040, 470456, 520862, 538160, 588070, 672080, 940912, 1041724, 1076320, 1176140, 1302155, 1344160, 1823017, 1881824, 2083448, 2352280, 2604310, 3646034, 4166896, 4704560, 5208620, 7292068, 8333792, 9115085, 9409120, 10417240, 14584136, 18230170, 20834480, 29168272, 36460340, 41668960, 58336544, 72920680, 145841360, 291682720]

約数ペア:

[(1, 291682720), (2, 145841360), (4, 72920680), (5, 58336544), (7, 41668960), (8, 36460340), (10, 29168272), (14, 20834480), (16, 18230170), (20, 14584136), (28, 10417240), (31, 9409120), (32, 9115085), (35, 8333792), (40, 7292068), (56, 5208620), (62, 4704560), (70, 4166896), (80, 3646034), (112, 2604310), (124, 2352280), (140, 2083448), (155, 1881824), (160, 1823017), (217, 1344160), (224, 1302155), (248, 1176140), (271, 1076320), (280, 1041724), (310, 940912), (434, 672080), (496, 588070), (542, 538160), (560, 520862), (620, 470456), (868, 336040), (961, 303520), (992, 294035), (1084, 269080), (1085, 268832), (1120, 260431), (1240, 235228), (1355, 215264), (1736, 168020), (1897, 153760), (1922, 151760), (2168, 134540), (2170, 134416), (2480, 117614), (2710, 107632), (3472, 84010), (3794, 76880), (3844, 75880), (4336, 67270), (4340, 67208), (4805, 60704), (4960, 58807), (5420, 53816), (6727, 43360), (6944, 42005), (7588, 38440), (7688, 37940), (8401, 34720), (8672, 33635), (8680, 33604), (9485, 30752), (9610, 30352), (10840, 26908), (13454, 21680), (15176, 19220), (15376, 18970), (16802, 17360)]