251427456

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:596

約数の個数: 256

約数和(自身を含む): 894336000

約数和(自身を除く): 642908544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 38, 42, 48, 54, 56, 57, 63, 64, 72, 76, 84, 96, 108, 112, 114, 126, 128, 133, 144, 152, 168, 171, 189, 192, 216, 224, 228, 252, 266, 288, 304, 336, 342, 378, 384, 399, 432, 448, 456, 504, 513, 532, 547, 576, 608, 672, 684, 756, 798, 864, 896, 912, 1008, 1026, 1064, 1094, 1152, 1197, 1216, 1344, 1368, 1512, 1596, 1641, 1728, 1824, 2016, 2052, 2128, 2188, 2394, 2432, 2688, 2736, 3024, 3192, 3282, 3456, 3591, 3648, 3829, 4032, 4104, 4256, 4376, 4788, 4923, 5472, 6048, 6384, 6564, 7182, 7296, 7658, 8064, 8208, 8512, 8752, 9576, 9846, 10393, 10944, 11487, 12096, 12768, 13128, 14364, 14769, 15316, 16416, 17024, 17504, 19152, 19692, 20786, 21888, 22974, 24192, 25536, 26256, 28728, 29538, 30632, 31179, 32832, 34461, 35008, 38304, 39384, 41572, 45948, 51072, 52512, 57456, 59076, 61264, 62358, 65664, 68922, 70016, 72751, 76608, 78768, 83144, 91896, 93537, 103383, 105024, 114912, 118152, 122528, 124716, 137844, 145502, 153216, 157536, 166288, 183792, 187074, 206766, 210048, 218253, 229824, 236304, 245056, 249432, 275688, 280611, 291004, 315072, 332576, 367584, 374148, 413532, 436506, 459648, 472608, 490112, 498864, 551376, 561222, 582008, 630144, 654759, 665152, 735168, 748296, 827064, 873012, 945216, 997728, 1102752, 1122444, 1164016, 1309518, 1330304, 1470336, 1496592, 1654128, 1746024, 1890432, 1964277, 1995456, 2205504, 2244888, 2328032, 2619036, 2993184, 3308256, 3492048, 3928554, 3990912, 4411008, 4489776, 4656064, 5238072, 5986368, 6616512, 6984096, 7857108, 8979552, 9312128, 10476144, 11972736, 13233024, 13968192, 15714216, 17959104, 20952288, 27936384, 31428432, 35918208, 41904576, 62856864, 83809152, 125713728, 251427456]

約数ペア:

[(1, 251427456), (2, 125713728), (3, 83809152), (4, 62856864), (6, 41904576), (7, 35918208), (8, 31428432), (9, 27936384), (12, 20952288), (14, 17959104), (16, 15714216), (18, 13968192), (19, 13233024), (21, 11972736), (24, 10476144), (27, 9312128), (28, 8979552), (32, 7857108), (36, 6984096), (38, 6616512), (42, 5986368), (48, 5238072), (54, 4656064), (56, 4489776), (57, 4411008), (63, 3990912), (64, 3928554), (72, 3492048), (76, 3308256), (84, 2993184), (96, 2619036), (108, 2328032), (112, 2244888), (114, 2205504), (126, 1995456), (128, 1964277), (133, 1890432), (144, 1746024), (152, 1654128), (168, 1496592), (171, 1470336), (189, 1330304), (192, 1309518), (216, 1164016), (224, 1122444), (228, 1102752), (252, 997728), (266, 945216), (288, 873012), (304, 827064), (336, 748296), (342, 735168), (378, 665152), (384, 654759), (399, 630144), (432, 582008), (448, 561222), (456, 551376), (504, 498864), (513, 490112), (532, 472608), (547, 459648), (576, 436506), (608, 413532), (672, 374148), (684, 367584), (756, 332576), (798, 315072), (864, 291004), (896, 280611), (912, 275688), (1008, 249432), (1026, 245056), (1064, 236304), (1094, 229824), (1152, 218253), (1197, 210048), (1216, 206766), (1344, 187074), (1368, 183792), (1512, 166288), (1596, 157536), (1641, 153216), (1728, 145502), (1824, 137844), (2016, 124716), (2052, 122528), (2128, 118152), (2188, 114912), (2394, 105024), (2432, 103383), (2688, 93537), (2736, 91896), (3024, 83144), (3192, 78768), (3282, 76608), (3456, 72751), (3591, 70016), (3648, 68922), (3829, 65664), (4032, 62358), (4104, 61264), (4256, 59076), (4376, 57456), (4788, 52512), (4923, 51072), (5472, 45948), (6048, 41572), (6384, 39384), (6564, 38304), (7182, 35008), (7296, 34461), (7658, 32832), (8064, 31179), (8208, 30632), (8512, 29538), (8752, 28728), (9576, 26256), (9846, 25536), (10393, 24192), (10944, 22974), (11487, 21888), (12096, 20786), (12768, 19692), (13128, 19152), (14364, 17504), (14769, 17024), (15316, 16416)]