1251505080

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{7883}}^1$

素因数の和:7920

約数の個数: 240

約数和(自身を含む): 4893835320

約数和(自身を除く): 3642330240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2835, 2940, 3240, 3528, 3780, 3969, 4410, 4536, 5292, 5670, 5880, 6615, 7560, 7883, 7938, 8820, 10584, 11340, 13230, 15766, 15876, 17640, 19845, 22680, 23649, 26460, 31532, 31752, 39415, 39690, 47298, 52920, 55181, 63064, 70947, 78830, 79380, 94596, 110362, 118245, 141894, 157660, 158760, 165543, 189192, 212841, 220724, 236490, 275905, 283788, 315320, 331086, 354735, 386267, 425682, 441448, 472980, 496629, 551810, 567576, 638523, 662172, 709470, 772534, 827715, 851364, 945960, 993258, 1064205, 1103620, 1158801, 1277046, 1324344, 1418940, 1489887, 1545068, 1655430, 1702728, 1931335, 1986516, 2128410, 2207240, 2317602, 2483145, 2554092, 2837880, 2979774, 3090136, 3192615, 3310860, 3476403, 3862670, 3973032, 4256820, 4469661, 4635204, 4966290, 5108184, 5794005, 5959548, 6385230, 6621720, 6952806, 7449435, 7725340, 8513640, 8939322, 9270408, 9932580, 10429209, 11588010, 11919096, 12770460, 13905612, 14898870, 15450680, 17382015, 17878644, 19865160, 20858418, 22348305, 23176020, 25540920, 27811224, 29797740, 31287627, 34764030, 35757288, 41716836, 44696610, 46352040, 52146045, 59595480, 62575254, 69528060, 83433672, 89393220, 104292090, 125150508, 139056120, 156438135, 178786440, 208584180, 250301016, 312876270, 417168360, 625752540, 1251505080]

約数ペア:

[(1, 1251505080), (2, 625752540), (3, 417168360), (4, 312876270), (5, 250301016), (6, 208584180), (7, 178786440), (8, 156438135), (9, 139056120), (10, 125150508), (12, 104292090), (14, 89393220), (15, 83433672), (18, 69528060), (20, 62575254), (21, 59595480), (24, 52146045), (27, 46352040), (28, 44696610), (30, 41716836), (35, 35757288), (36, 34764030), (40, 31287627), (42, 29797740), (45, 27811224), (49, 25540920), (54, 23176020), (56, 22348305), (60, 20858418), (63, 19865160), (70, 17878644), (72, 17382015), (81, 15450680), (84, 14898870), (90, 13905612), (98, 12770460), (105, 11919096), (108, 11588010), (120, 10429209), (126, 9932580), (135, 9270408), (140, 8939322), (147, 8513640), (162, 7725340), (168, 7449435), (180, 6952806), (189, 6621720), (196, 6385230), (210, 5959548), (216, 5794005), (245, 5108184), (252, 4966290), (270, 4635204), (280, 4469661), (294, 4256820), (315, 3973032), (324, 3862670), (360, 3476403), (378, 3310860), (392, 3192615), (405, 3090136), (420, 2979774), (441, 2837880), (490, 2554092), (504, 2483145), (540, 2317602), (567, 2207240), (588, 2128410), (630, 1986516), (648, 1931335), (735, 1702728), (756, 1655430), (810, 1545068), (840, 1489887), (882, 1418940), (945, 1324344), (980, 1277046), (1080, 1158801), (1134, 1103620), (1176, 1064205), (1260, 993258), (1323, 945960), (1470, 851364), (1512, 827715), (1620, 772534), (1764, 709470), (1890, 662172), (1960, 638523), (2205, 567576), (2268, 551810), (2520, 496629), (2646, 472980), (2835, 441448), (2940, 425682), (3240, 386267), (3528, 354735), (3780, 331086), (3969, 315320), (4410, 283788), (4536, 275905), (5292, 236490), (5670, 220724), (5880, 212841), (6615, 189192), (7560, 165543), (7883, 158760), (7938, 157660), (8820, 141894), (10584, 118245), (11340, 110362), (13230, 94596), (15766, 79380), (15876, 78830), (17640, 70947), (19845, 63064), (22680, 55181), (23649, 52920), (26460, 47298), (31532, 39690), (31752, 39415)]