257933760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:451

約数の個数: 224

約数和(自身を含む): 946294272

約数和(自身を除く): 688360512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 131, 140, 160, 168, 192, 210, 224, 240, 262, 280, 293, 320, 336, 393, 420, 448, 480, 524, 560, 586, 655, 672, 786, 840, 879, 917, 960, 1048, 1120, 1172, 1310, 1344, 1465, 1572, 1680, 1758, 1834, 1965, 2051, 2096, 2240, 2344, 2620, 2751, 2930, 3144, 3360, 3516, 3668, 3930, 4102, 4192, 4395, 4585, 4688, 5240, 5502, 5860, 6153, 6288, 6720, 7032, 7336, 7860, 8204, 8384, 8790, 9170, 9376, 10255, 10480, 11004, 11720, 12306, 12576, 13755, 14064, 14672, 15720, 16408, 17580, 18340, 18752, 20510, 20960, 22008, 23440, 24612, 25152, 27510, 28128, 29344, 30765, 31440, 32816, 35160, 36680, 38383, 41020, 41920, 44016, 46880, 49224, 55020, 56256, 58688, 61530, 62880, 65632, 70320, 73360, 76766, 82040, 88032, 93760, 98448, 110040, 115149, 123060, 125760, 131264, 140640, 146720, 153532, 164080, 176064, 191915, 196896, 220080, 230298, 246120, 268681, 281280, 293440, 307064, 328160, 383830, 393792, 440160, 460596, 492240, 537362, 575745, 614128, 656320, 767660, 806043, 880320, 921192, 984480, 1074724, 1151490, 1228256, 1343405, 1535320, 1612086, 1842384, 1968960, 2149448, 2302980, 2456512, 2686810, 3070640, 3224172, 3684768, 4030215, 4298896, 4605960, 5373620, 6141280, 6448344, 7369536, 8060430, 8597792, 9211920, 10747240, 12282560, 12896688, 16120860, 17195584, 18423840, 21494480, 25793376, 32241720, 36847680, 42988960, 51586752, 64483440, 85977920, 128966880, 257933760]

約数ペア:

[(1, 257933760), (2, 128966880), (3, 85977920), (4, 64483440), (5, 51586752), (6, 42988960), (7, 36847680), (8, 32241720), (10, 25793376), (12, 21494480), (14, 18423840), (15, 17195584), (16, 16120860), (20, 12896688), (21, 12282560), (24, 10747240), (28, 9211920), (30, 8597792), (32, 8060430), (35, 7369536), (40, 6448344), (42, 6141280), (48, 5373620), (56, 4605960), (60, 4298896), (64, 4030215), (70, 3684768), (80, 3224172), (84, 3070640), (96, 2686810), (105, 2456512), (112, 2302980), (120, 2149448), (131, 1968960), (140, 1842384), (160, 1612086), (168, 1535320), (192, 1343405), (210, 1228256), (224, 1151490), (240, 1074724), (262, 984480), (280, 921192), (293, 880320), (320, 806043), (336, 767660), (393, 656320), (420, 614128), (448, 575745), (480, 537362), (524, 492240), (560, 460596), (586, 440160), (655, 393792), (672, 383830), (786, 328160), (840, 307064), (879, 293440), (917, 281280), (960, 268681), (1048, 246120), (1120, 230298), (1172, 220080), (1310, 196896), (1344, 191915), (1465, 176064), (1572, 164080), (1680, 153532), (1758, 146720), (1834, 140640), (1965, 131264), (2051, 125760), (2096, 123060), (2240, 115149), (2344, 110040), (2620, 98448), (2751, 93760), (2930, 88032), (3144, 82040), (3360, 76766), (3516, 73360), (3668, 70320), (3930, 65632), (4102, 62880), (4192, 61530), (4395, 58688), (4585, 56256), (4688, 55020), (5240, 49224), (5502, 46880), (5860, 44016), (6153, 41920), (6288, 41020), (6720, 38383), (7032, 36680), (7336, 35160), (7860, 32816), (8204, 31440), (8384, 30765), (8790, 29344), (9170, 28128), (9376, 27510), (10255, 25152), (10480, 24612), (11004, 23440), (11720, 22008), (12306, 20960), (12576, 20510), (13755, 18752), (14064, 18340), (14672, 17580), (15720, 16408)]