281134560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11953}}^1$

素因数の和:11985

約数の個数: 144

約数和(自身を含む): 1030243536

約数和(自身を除く): 749108976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 11953, 23520, 23906, 35859, 47812, 59765, 71718, 83671, 95624, 119530, 143436, 167342, 179295, 191248, 239060, 251013, 286872, 334684, 358590, 382496, 418355, 478120, 502026, 573744, 585697, 669368, 717180, 836710, 956240, 1004052, 1147488, 1171394, 1255065, 1338736, 1434360, 1673420, 1757091, 1912480, 2008104, 2342788, 2510130, 2677472, 2868720, 2928485, 3346840, 3514182, 4016208, 4685576, 5020260, 5737440, 5856970, 6693680, 7028364, 8032416, 8785455, 9371152, 10040520, 11713940, 13387360, 14056728, 17570910, 18742304, 20081040, 23427880, 28113456, 35141820, 40162080, 46855760, 56226912, 70283640, 93711520, 140567280, 281134560]

約数ペア:

[(1, 281134560), (2, 140567280), (3, 93711520), (4, 70283640), (5, 56226912), (6, 46855760), (7, 40162080), (8, 35141820), (10, 28113456), (12, 23427880), (14, 20081040), (15, 18742304), (16, 17570910), (20, 14056728), (21, 13387360), (24, 11713940), (28, 10040520), (30, 9371152), (32, 8785455), (35, 8032416), (40, 7028364), (42, 6693680), (48, 5856970), (49, 5737440), (56, 5020260), (60, 4685576), (70, 4016208), (80, 3514182), (84, 3346840), (96, 2928485), (98, 2868720), (105, 2677472), (112, 2510130), (120, 2342788), (140, 2008104), (147, 1912480), (160, 1757091), (168, 1673420), (196, 1434360), (210, 1338736), (224, 1255065), (240, 1171394), (245, 1147488), (280, 1004052), (294, 956240), (336, 836710), (392, 717180), (420, 669368), (480, 585697), (490, 573744), (560, 502026), (588, 478120), (672, 418355), (735, 382496), (784, 358590), (840, 334684), (980, 286872), (1120, 251013), (1176, 239060), (1470, 191248), (1568, 179295), (1680, 167342), (1960, 143436), (2352, 119530), (2940, 95624), (3360, 83671), (3920, 71718), (4704, 59765), (5880, 47812), (7840, 35859), (11760, 23906), (11953, 23520)]