131449920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:689

約数の個数: 224

約数和(自身を含む): 493142016

約数和(自身を除く): 361692096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 280, 310, 320, 336, 372, 420, 434, 448, 465, 480, 496, 560, 620, 631, 651, 672, 744, 840, 868, 930, 960, 992, 1085, 1120, 1240, 1262, 1302, 1344, 1488, 1680, 1736, 1860, 1893, 1984, 2170, 2240, 2480, 2524, 2604, 2976, 3155, 3255, 3360, 3472, 3720, 3786, 4340, 4417, 4960, 5048, 5208, 5952, 6310, 6510, 6720, 6944, 7440, 7572, 8680, 8834, 9465, 9920, 10096, 10416, 12620, 13020, 13251, 13888, 14880, 15144, 17360, 17668, 18930, 19561, 20192, 20832, 22085, 25240, 26040, 26502, 29760, 30288, 34720, 35336, 37860, 39122, 40384, 41664, 44170, 50480, 52080, 53004, 58683, 60576, 66255, 69440, 70672, 75720, 78244, 88340, 97805, 100960, 104160, 106008, 117366, 121152, 132510, 136927, 141344, 151440, 156488, 176680, 195610, 201920, 208320, 212016, 234732, 265020, 273854, 282688, 293415, 302880, 312976, 353360, 391220, 410781, 424032, 469464, 530040, 547708, 586830, 605760, 625952, 684635, 706720, 782440, 821562, 848064, 938928, 1060080, 1095416, 1173660, 1251904, 1369270, 1413440, 1564880, 1643124, 1877856, 2053905, 2120160, 2190832, 2347320, 2738540, 3129760, 3286248, 3755712, 4107810, 4240320, 4381664, 4694640, 5477080, 6259520, 6572496, 8215620, 8763328, 9389280, 10954160, 13144992, 16431240, 18778560, 21908320, 26289984, 32862480, 43816640, 65724960, 131449920]

約数ペア:

[(1, 131449920), (2, 65724960), (3, 43816640), (4, 32862480), (5, 26289984), (6, 21908320), (7, 18778560), (8, 16431240), (10, 13144992), (12, 10954160), (14, 9389280), (15, 8763328), (16, 8215620), (20, 6572496), (21, 6259520), (24, 5477080), (28, 4694640), (30, 4381664), (31, 4240320), (32, 4107810), (35, 3755712), (40, 3286248), (42, 3129760), (48, 2738540), (56, 2347320), (60, 2190832), (62, 2120160), (64, 2053905), (70, 1877856), (80, 1643124), (84, 1564880), (93, 1413440), (96, 1369270), (105, 1251904), (112, 1173660), (120, 1095416), (124, 1060080), (140, 938928), (155, 848064), (160, 821562), (168, 782440), (186, 706720), (192, 684635), (210, 625952), (217, 605760), (224, 586830), (240, 547708), (248, 530040), (280, 469464), (310, 424032), (320, 410781), (336, 391220), (372, 353360), (420, 312976), (434, 302880), (448, 293415), (465, 282688), (480, 273854), (496, 265020), (560, 234732), (620, 212016), (631, 208320), (651, 201920), (672, 195610), (744, 176680), (840, 156488), (868, 151440), (930, 141344), (960, 136927), (992, 132510), (1085, 121152), (1120, 117366), (1240, 106008), (1262, 104160), (1302, 100960), (1344, 97805), (1488, 88340), (1680, 78244), (1736, 75720), (1860, 70672), (1893, 69440), (1984, 66255), (2170, 60576), (2240, 58683), (2480, 53004), (2524, 52080), (2604, 50480), (2976, 44170), (3155, 41664), (3255, 40384), (3360, 39122), (3472, 37860), (3720, 35336), (3786, 34720), (4340, 30288), (4417, 29760), (4960, 26502), (5048, 26040), (5208, 25240), (5952, 22085), (6310, 20832), (6510, 20192), (6720, 19561), (6944, 18930), (7440, 17668), (7572, 17360), (8680, 15144), (8834, 14880), (9465, 13888), (9920, 13251), (10096, 13020), (10416, 12620)]