256419744

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:216

約数の個数: 216

約数和(自身を含む): 831847968

約数和(自身を除く): 575428224

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 76, 84, 96, 98, 112, 114, 133, 147, 151, 152, 168, 196, 224, 228, 266, 294, 302, 304, 336, 361, 392, 399, 453, 456, 532, 588, 604, 608, 672, 722, 784, 798, 906, 912, 931, 1057, 1064, 1083, 1176, 1208, 1444, 1568, 1596, 1812, 1824, 1862, 2114, 2128, 2166, 2352, 2416, 2527, 2793, 2869, 2888, 3171, 3192, 3624, 3724, 4228, 4256, 4332, 4704, 4832, 5054, 5586, 5738, 5776, 6342, 6384, 7248, 7399, 7448, 7581, 8456, 8607, 8664, 10108, 11172, 11476, 11552, 12684, 12768, 14496, 14798, 14896, 15162, 16912, 17214, 17328, 17689, 20083, 20216, 22197, 22344, 22952, 25368, 29596, 29792, 30324, 33824, 34428, 34656, 35378, 40166, 40432, 44394, 44688, 45904, 50736, 53067, 54511, 59192, 60249, 60648, 68856, 70756, 80332, 80864, 88788, 89376, 91808, 101472, 106134, 109022, 118384, 120498, 121296, 137712, 140581, 141512, 160664, 163533, 177576, 212268, 218044, 236768, 240996, 242592, 275424, 281162, 283024, 321328, 327066, 355152, 381577, 421743, 424536, 436088, 481992, 562324, 566048, 642656, 654132, 710304, 763154, 843486, 849072, 872176, 963984, 1124648, 1144731, 1308264, 1526308, 1686972, 1698144, 1744352, 1927968, 2249296, 2289462, 2616528, 2671039, 3052616, 3373944, 4498592, 4578924, 5233056, 5342078, 6105232, 6747888, 8013117, 9157848, 10684156, 12210464, 13495776, 16026234, 18315696, 21368312, 32052468, 36631392, 42736624, 64104936, 85473248, 128209872, 256419744]

約数ペア:

[(1, 256419744), (2, 128209872), (3, 85473248), (4, 64104936), (6, 42736624), (7, 36631392), (8, 32052468), (12, 21368312), (14, 18315696), (16, 16026234), (19, 13495776), (21, 12210464), (24, 10684156), (28, 9157848), (32, 8013117), (38, 6747888), (42, 6105232), (48, 5342078), (49, 5233056), (56, 4578924), (57, 4498592), (76, 3373944), (84, 3052616), (96, 2671039), (98, 2616528), (112, 2289462), (114, 2249296), (133, 1927968), (147, 1744352), (151, 1698144), (152, 1686972), (168, 1526308), (196, 1308264), (224, 1144731), (228, 1124648), (266, 963984), (294, 872176), (302, 849072), (304, 843486), (336, 763154), (361, 710304), (392, 654132), (399, 642656), (453, 566048), (456, 562324), (532, 481992), (588, 436088), (604, 424536), (608, 421743), (672, 381577), (722, 355152), (784, 327066), (798, 321328), (906, 283024), (912, 281162), (931, 275424), (1057, 242592), (1064, 240996), (1083, 236768), (1176, 218044), (1208, 212268), (1444, 177576), (1568, 163533), (1596, 160664), (1812, 141512), (1824, 140581), (1862, 137712), (2114, 121296), (2128, 120498), (2166, 118384), (2352, 109022), (2416, 106134), (2527, 101472), (2793, 91808), (2869, 89376), (2888, 88788), (3171, 80864), (3192, 80332), (3624, 70756), (3724, 68856), (4228, 60648), (4256, 60249), (4332, 59192), (4704, 54511), (4832, 53067), (5054, 50736), (5586, 45904), (5738, 44688), (5776, 44394), (6342, 40432), (6384, 40166), (7248, 35378), (7399, 34656), (7448, 34428), (7581, 33824), (8456, 30324), (8607, 29792), (8664, 29596), (10108, 25368), (11172, 22952), (11476, 22344), (11552, 22197), (12684, 20216), (12768, 20083), (14496, 17689), (14798, 17328), (14896, 17214), (15162, 16912)]