249341680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 160

約数和(自身を含む): 699383808

約数和(自身を除く): 450042128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 53, 56, 62, 70, 80, 106, 112, 124, 140, 155, 212, 217, 248, 265, 271, 280, 310, 371, 424, 434, 496, 530, 542, 560, 620, 742, 848, 868, 1060, 1084, 1085, 1240, 1355, 1484, 1643, 1736, 1855, 1897, 2120, 2168, 2170, 2480, 2710, 2968, 3286, 3472, 3710, 3794, 4240, 4336, 4340, 5420, 5936, 6572, 7420, 7588, 8215, 8401, 8680, 9485, 10840, 11501, 13144, 14363, 14840, 15176, 16430, 16802, 17360, 18970, 21680, 23002, 26288, 28726, 29680, 30352, 32860, 33604, 37940, 42005, 46004, 57452, 57505, 58807, 65720, 67208, 71815, 75880, 84010, 92008, 100541, 114904, 115010, 117614, 131440, 134416, 143630, 151760, 168020, 184016, 201082, 229808, 230020, 235228, 287260, 294035, 336040, 402164, 445253, 460040, 470456, 502705, 574520, 588070, 672080, 804328, 890506, 920080, 940912, 1005410, 1149040, 1176140, 1608656, 1781012, 2010820, 2226265, 2352280, 3116771, 3562024, 4021640, 4452530, 4704560, 6233542, 7124048, 8043280, 8905060, 12467084, 15583855, 17810120, 24934168, 31167710, 35620240, 49868336, 62335420, 124670840, 249341680]

約数ペア:

[(1, 249341680), (2, 124670840), (4, 62335420), (5, 49868336), (7, 35620240), (8, 31167710), (10, 24934168), (14, 17810120), (16, 15583855), (20, 12467084), (28, 8905060), (31, 8043280), (35, 7124048), (40, 6233542), (53, 4704560), (56, 4452530), (62, 4021640), (70, 3562024), (80, 3116771), (106, 2352280), (112, 2226265), (124, 2010820), (140, 1781012), (155, 1608656), (212, 1176140), (217, 1149040), (248, 1005410), (265, 940912), (271, 920080), (280, 890506), (310, 804328), (371, 672080), (424, 588070), (434, 574520), (496, 502705), (530, 470456), (542, 460040), (560, 445253), (620, 402164), (742, 336040), (848, 294035), (868, 287260), (1060, 235228), (1084, 230020), (1085, 229808), (1240, 201082), (1355, 184016), (1484, 168020), (1643, 151760), (1736, 143630), (1855, 134416), (1897, 131440), (2120, 117614), (2168, 115010), (2170, 114904), (2480, 100541), (2710, 92008), (2968, 84010), (3286, 75880), (3472, 71815), (3710, 67208), (3794, 65720), (4240, 58807), (4336, 57505), (4340, 57452), (5420, 46004), (5936, 42005), (6572, 37940), (7420, 33604), (7588, 32860), (8215, 30352), (8401, 29680), (8680, 28726), (9485, 26288), (10840, 23002), (11501, 21680), (13144, 18970), (14363, 17360), (14840, 16802), (15176, 16430)]