257171460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 384

約数和(自身を含む): 972410880

約数和(自身を除く): 715239420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 37, 38, 39, 42, 52, 57, 60, 65, 67, 70, 74, 76, 78, 84, 91, 95, 105, 111, 114, 130, 133, 134, 140, 148, 156, 182, 185, 190, 195, 201, 210, 222, 228, 247, 259, 260, 266, 268, 273, 285, 335, 364, 370, 380, 390, 399, 402, 420, 444, 455, 469, 481, 494, 518, 532, 546, 555, 570, 665, 670, 703, 740, 741, 777, 780, 798, 804, 871, 910, 938, 962, 988, 1005, 1036, 1092, 1110, 1140, 1235, 1273, 1295, 1330, 1340, 1365, 1406, 1407, 1443, 1482, 1554, 1596, 1729, 1742, 1820, 1876, 1924, 1995, 2010, 2109, 2220, 2345, 2405, 2470, 2479, 2546, 2590, 2613, 2660, 2730, 2812, 2814, 2886, 2964, 3108, 3367, 3458, 3484, 3515, 3705, 3819, 3885, 3990, 4020, 4218, 4355, 4690, 4810, 4921, 4940, 4958, 5092, 5180, 5187, 5226, 5460, 5628, 5772, 6097, 6365, 6734, 6916, 7030, 7035, 7215, 7410, 7437, 7638, 7770, 7980, 8436, 8645, 8710, 8911, 9139, 9380, 9620, 9842, 9916, 10101, 10374, 10452, 10545, 12194, 12395, 12730, 13065, 13468, 14060, 14070, 14430, 14763, 14820, 14874, 15276, 15540, 16549, 16835, 17290, 17353, 17420, 17822, 18278, 18291, 19095, 19684, 20202, 20748, 21090, 24388, 24605, 24790, 25460, 25935, 26130, 26733, 27417, 28140, 28860, 29526, 29748, 30485, 32227, 33098, 33670, 34580, 34706, 35644, 36556, 36582, 37185, 38190, 40404, 42180, 44555, 45695, 47101, 49210, 49580, 49647, 50505, 51870, 52059, 52260, 53466, 54834, 59052, 60970, 63973, 64454, 66196, 67340, 69412, 73164, 73815, 74370, 76380, 82745, 86765, 89110, 91390, 91455, 94202, 96681, 98420, 99294, 101010, 103740, 104118, 106932, 109668, 115843, 121940, 127946, 128908, 133665, 137085, 141303, 147630, 148740, 161135, 165490, 173530, 178220, 182780, 182910, 188404, 191919, 193362, 198588, 202020, 208236, 225589, 231686, 235505, 248235, 255892, 260295, 267330, 274170, 282606, 295260, 319865, 322270, 329707, 330980, 347060, 347529, 365820, 383838, 386724, 451178, 463372, 471010, 483405, 496470, 520590, 534660, 548340, 565212, 579215, 612313, 639730, 644540, 659414, 676767, 695058, 706515, 767676, 902356, 942020, 959595, 966810, 989121, 992940, 1041180, 1127945, 1158430, 1224626, 1279460, 1318828, 1353534, 1390116, 1413030, 1648535, 1737645, 1836939, 1919190, 1933620, 1978242, 2255890, 2316860, 2449252, 2707068, 2826060, 3061565, 3297070, 3383835, 3475290, 3673878, 3838380, 3956484, 4286191, 4511780, 4945605, 6123130, 6594140, 6767670, 6950580, 7347756, 8572382, 9184695, 9891210, 12246260, 12858573, 13535340, 17144764, 18369390, 19782420, 21430955, 25717146, 36738780, 42861910, 51434292, 64292865, 85723820, 128585730, 257171460]

約数ペア:

[(1, 257171460), (2, 128585730), (3, 85723820), (4, 64292865), (5, 51434292), (6, 42861910), (7, 36738780), (10, 25717146), (12, 21430955), (13, 19782420), (14, 18369390), (15, 17144764), (19, 13535340), (20, 12858573), (21, 12246260), (26, 9891210), (28, 9184695), (30, 8572382), (35, 7347756), (37, 6950580), (38, 6767670), (39, 6594140), (42, 6123130), (52, 4945605), (57, 4511780), (60, 4286191), (65, 3956484), (67, 3838380), (70, 3673878), (74, 3475290), (76, 3383835), (78, 3297070), (84, 3061565), (91, 2826060), (95, 2707068), (105, 2449252), (111, 2316860), (114, 2255890), (130, 1978242), (133, 1933620), (134, 1919190), (140, 1836939), (148, 1737645), (156, 1648535), (182, 1413030), (185, 1390116), (190, 1353534), (195, 1318828), (201, 1279460), (210, 1224626), (222, 1158430), (228, 1127945), (247, 1041180), (259, 992940), (260, 989121), (266, 966810), (268, 959595), (273, 942020), (285, 902356), (335, 767676), (364, 706515), (370, 695058), (380, 676767), (390, 659414), (399, 644540), (402, 639730), (420, 612313), (444, 579215), (455, 565212), (469, 548340), (481, 534660), (494, 520590), (518, 496470), (532, 483405), (546, 471010), (555, 463372), (570, 451178), (665, 386724), (670, 383838), (703, 365820), (740, 347529), (741, 347060), (777, 330980), (780, 329707), (798, 322270), (804, 319865), (871, 295260), (910, 282606), (938, 274170), (962, 267330), (988, 260295), (1005, 255892), (1036, 248235), (1092, 235505), (1110, 231686), (1140, 225589), (1235, 208236), (1273, 202020), (1295, 198588), (1330, 193362), (1340, 191919), (1365, 188404), (1406, 182910), (1407, 182780), (1443, 178220), (1482, 173530), (1554, 165490), (1596, 161135), (1729, 148740), (1742, 147630), (1820, 141303), (1876, 137085), (1924, 133665), (1995, 128908), (2010, 127946), (2109, 121940), (2220, 115843), (2345, 109668), (2405, 106932), (2470, 104118), (2479, 103740), (2546, 101010), (2590, 99294), (2613, 98420), (2660, 96681), (2730, 94202), (2812, 91455), (2814, 91390), (2886, 89110), (2964, 86765), (3108, 82745), (3367, 76380), (3458, 74370), (3484, 73815), (3515, 73164), (3705, 69412), (3819, 67340), (3885, 66196), (3990, 64454), (4020, 63973), (4218, 60970), (4355, 59052), (4690, 54834), (4810, 53466), (4921, 52260), (4940, 52059), (4958, 51870), (5092, 50505), (5180, 49647), (5187, 49580), (5226, 49210), (5460, 47101), (5628, 45695), (5772, 44555), (6097, 42180), (6365, 40404), (6734, 38190), (6916, 37185), (7030, 36582), (7035, 36556), (7215, 35644), (7410, 34706), (7437, 34580), (7638, 33670), (7770, 33098), (7980, 32227), (8436, 30485), (8645, 29748), (8710, 29526), (8911, 28860), (9139, 28140), (9380, 27417), (9620, 26733), (9842, 26130), (9916, 25935), (10101, 25460), (10374, 24790), (10452, 24605), (10545, 24388), (12194, 21090), (12395, 20748), (12730, 20202), (13065, 19684), (13468, 19095), (14060, 18291), (14070, 18278), (14430, 17822), (14763, 17420), (14820, 17353), (14874, 17290), (15276, 16835), (15540, 16549)]