215423712

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 240

約数和(自身を含む): 749371392

約数和(自身を除く): 533947680

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 72, 81, 84, 93, 96, 108, 112, 124, 126, 144, 162, 168, 186, 189, 216, 217, 224, 248, 252, 279, 288, 324, 336, 372, 378, 383, 432, 434, 496, 504, 558, 567, 648, 651, 672, 744, 756, 766, 837, 864, 868, 992, 1008, 1116, 1134, 1149, 1296, 1302, 1488, 1512, 1532, 1674, 1736, 1953, 2016, 2232, 2268, 2298, 2511, 2592, 2604, 2681, 2976, 3024, 3064, 3348, 3447, 3472, 3906, 4464, 4536, 4596, 5022, 5208, 5362, 5859, 6048, 6128, 6696, 6894, 6944, 7812, 8043, 8928, 9072, 9192, 10044, 10341, 10416, 10724, 11718, 11873, 12256, 13392, 13788, 15624, 16086, 17577, 18144, 18384, 20088, 20682, 20832, 21448, 23436, 23746, 24129, 26784, 27576, 31023, 31248, 32172, 35154, 35619, 36768, 40176, 41364, 42896, 46872, 47492, 48258, 55152, 62046, 62496, 64344, 70308, 71238, 72387, 80352, 82728, 83111, 85792, 93744, 94984, 96516, 106857, 110304, 124092, 128688, 140616, 142476, 144774, 165456, 166222, 187488, 189968, 193032, 213714, 217161, 248184, 249333, 257376, 281232, 284952, 289548, 320571, 330912, 332444, 379936, 386064, 427428, 434322, 496368, 498666, 562464, 569904, 579096, 641142, 664888, 747999, 772128, 854856, 868644, 961713, 992736, 997332, 1139808, 1158192, 1282284, 1329776, 1495998, 1709712, 1737288, 1923426, 1994664, 2243997, 2316384, 2564568, 2659552, 2991996, 3419424, 3474576, 3846852, 3989328, 4487994, 5129136, 5983992, 6731991, 6949152, 7693704, 7978656, 8975988, 10258272, 11967984, 13463982, 15387408, 17951976, 23935968, 26927964, 30774816, 35903952, 53855928, 71807904, 107711856, 215423712]

約数ペア:

[(1, 215423712), (2, 107711856), (3, 71807904), (4, 53855928), (6, 35903952), (7, 30774816), (8, 26927964), (9, 23935968), (12, 17951976), (14, 15387408), (16, 13463982), (18, 11967984), (21, 10258272), (24, 8975988), (27, 7978656), (28, 7693704), (31, 6949152), (32, 6731991), (36, 5983992), (42, 5129136), (48, 4487994), (54, 3989328), (56, 3846852), (62, 3474576), (63, 3419424), (72, 2991996), (81, 2659552), (84, 2564568), (93, 2316384), (96, 2243997), (108, 1994664), (112, 1923426), (124, 1737288), (126, 1709712), (144, 1495998), (162, 1329776), (168, 1282284), (186, 1158192), (189, 1139808), (216, 997332), (217, 992736), (224, 961713), (248, 868644), (252, 854856), (279, 772128), (288, 747999), (324, 664888), (336, 641142), (372, 579096), (378, 569904), (383, 562464), (432, 498666), (434, 496368), (496, 434322), (504, 427428), (558, 386064), (567, 379936), (648, 332444), (651, 330912), (672, 320571), (744, 289548), (756, 284952), (766, 281232), (837, 257376), (864, 249333), (868, 248184), (992, 217161), (1008, 213714), (1116, 193032), (1134, 189968), (1149, 187488), (1296, 166222), (1302, 165456), (1488, 144774), (1512, 142476), (1532, 140616), (1674, 128688), (1736, 124092), (1953, 110304), (2016, 106857), (2232, 96516), (2268, 94984), (2298, 93744), (2511, 85792), (2592, 83111), (2604, 82728), (2681, 80352), (2976, 72387), (3024, 71238), (3064, 70308), (3348, 64344), (3447, 62496), (3472, 62046), (3906, 55152), (4464, 48258), (4536, 47492), (4596, 46872), (5022, 42896), (5208, 41364), (5362, 40176), (5859, 36768), (6048, 35619), (6128, 35154), (6696, 32172), (6894, 31248), (6944, 31023), (7812, 27576), (8043, 26784), (8928, 24129), (9072, 23746), (9192, 23436), (10044, 21448), (10341, 20832), (10416, 20682), (10724, 20088), (11718, 18384), (11873, 18144), (12256, 17577), (13392, 16086), (13788, 15624)]