421701840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{11953}}^1$

素因数の和:11986

約数の個数: 180

約数和(自身を含む): 1647572004

約数和(自身を除く): 1225870164

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 11953, 17640, 23906, 35280, 35859, 47812, 59765, 71718, 83671, 95624, 107577, 119530, 143436, 167342, 179295, 191248, 215154, 239060, 251013, 286872, 334684, 358590, 418355, 430308, 478120, 502026, 537885, 573744, 585697, 669368, 717180, 753039, 836710, 860616, 956240, 1004052, 1075770, 1171394, 1255065, 1338736, 1434360, 1506078, 1673420, 1721232, 1757091, 2008104, 2151540, 2342788, 2510130, 2868720, 2928485, 3012156, 3346840, 3514182, 3765195, 4016208, 4303080, 4685576, 5020260, 5271273, 5856970, 6024312, 6693680, 7028364, 7530390, 8606160, 8785455, 9371152, 10040520, 10542546, 11713940, 12048624, 14056728, 15060780, 17570910, 20081040, 21085092, 23427880, 26356365, 28113456, 30121560, 35141820, 42170184, 46855760, 52712730, 60243120, 70283640, 84340368, 105425460, 140567280, 210850920, 421701840]

約数ペア:

[(1, 421701840), (2, 210850920), (3, 140567280), (4, 105425460), (5, 84340368), (6, 70283640), (7, 60243120), (8, 52712730), (9, 46855760), (10, 42170184), (12, 35141820), (14, 30121560), (15, 28113456), (16, 26356365), (18, 23427880), (20, 21085092), (21, 20081040), (24, 17570910), (28, 15060780), (30, 14056728), (35, 12048624), (36, 11713940), (40, 10542546), (42, 10040520), (45, 9371152), (48, 8785455), (49, 8606160), (56, 7530390), (60, 7028364), (63, 6693680), (70, 6024312), (72, 5856970), (80, 5271273), (84, 5020260), (90, 4685576), (98, 4303080), (105, 4016208), (112, 3765195), (120, 3514182), (126, 3346840), (140, 3012156), (144, 2928485), (147, 2868720), (168, 2510130), (180, 2342788), (196, 2151540), (210, 2008104), (240, 1757091), (245, 1721232), (252, 1673420), (280, 1506078), (294, 1434360), (315, 1338736), (336, 1255065), (360, 1171394), (392, 1075770), (420, 1004052), (441, 956240), (490, 860616), (504, 836710), (560, 753039), (588, 717180), (630, 669368), (720, 585697), (735, 573744), (784, 537885), (840, 502026), (882, 478120), (980, 430308), (1008, 418355), (1176, 358590), (1260, 334684), (1470, 286872), (1680, 251013), (1764, 239060), (1960, 215154), (2205, 191248), (2352, 179295), (2520, 167342), (2940, 143436), (3528, 119530), (3920, 107577), (4410, 95624), (5040, 83671), (5880, 71718), (7056, 59765), (8820, 47812), (11760, 35859), (11953, 35280), (17640, 23906)]