215861856

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:557

約数の個数: 144

約数和(自身を含む): 666776880

約数和(自身を除く): 450915024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 109, 112, 147, 168, 196, 218, 224, 294, 327, 336, 392, 421, 436, 588, 654, 672, 763, 784, 842, 872, 1176, 1263, 1308, 1526, 1568, 1684, 1744, 2289, 2352, 2526, 2616, 2947, 3052, 3368, 3488, 4578, 4704, 5052, 5232, 5341, 5894, 6104, 6736, 8841, 9156, 10104, 10464, 10682, 11788, 12208, 13472, 16023, 17682, 18312, 20208, 20629, 21364, 23576, 24416, 32046, 35364, 36624, 40416, 41258, 42728, 45889, 47152, 61887, 64092, 70728, 73248, 82516, 85456, 91778, 94304, 123774, 128184, 137667, 141456, 165032, 170912, 183556, 247548, 256368, 275334, 282912, 321223, 330064, 367112, 495096, 512736, 550668, 642446, 660128, 734224, 963669, 990192, 1101336, 1284892, 1468448, 1927338, 1980384, 2202672, 2248561, 2569784, 3854676, 4405344, 4497122, 5139568, 6745683, 7709352, 8994244, 10279136, 13491366, 15418704, 17988488, 26982732, 30837408, 35976976, 53965464, 71953952, 107930928, 215861856]

約数ペア:

[(1, 215861856), (2, 107930928), (3, 71953952), (4, 53965464), (6, 35976976), (7, 30837408), (8, 26982732), (12, 17988488), (14, 15418704), (16, 13491366), (21, 10279136), (24, 8994244), (28, 7709352), (32, 6745683), (42, 5139568), (48, 4497122), (49, 4405344), (56, 3854676), (84, 2569784), (96, 2248561), (98, 2202672), (109, 1980384), (112, 1927338), (147, 1468448), (168, 1284892), (196, 1101336), (218, 990192), (224, 963669), (294, 734224), (327, 660128), (336, 642446), (392, 550668), (421, 512736), (436, 495096), (588, 367112), (654, 330064), (672, 321223), (763, 282912), (784, 275334), (842, 256368), (872, 247548), (1176, 183556), (1263, 170912), (1308, 165032), (1526, 141456), (1568, 137667), (1684, 128184), (1744, 123774), (2289, 94304), (2352, 91778), (2526, 85456), (2616, 82516), (2947, 73248), (3052, 70728), (3368, 64092), (3488, 61887), (4578, 47152), (4704, 45889), (5052, 42728), (5232, 41258), (5341, 40416), (5894, 36624), (6104, 35364), (6736, 32046), (8841, 24416), (9156, 23576), (10104, 21364), (10464, 20629), (10682, 20208), (11788, 18312), (12208, 17682), (13472, 16023)]