20165785920

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{111143}}^1$

素因数の和:111179

約数の個数: 280

約数和(自身を含む): 81981592704

約数和(自身を除く): 61815806784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 810, 840, 864, 945, 960, 1008, 1080, 1120, 1134, 1260, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1890, 2016, 2160, 2240, 2268, 2520, 2592, 2835, 2880, 3024, 3240, 3360, 3780, 4032, 4320, 4536, 5040, 5184, 5670, 6048, 6480, 6720, 7560, 8640, 9072, 10080, 11340, 12096, 12960, 15120, 18144, 20160, 22680, 25920, 30240, 36288, 45360, 60480, 90720, 111143, 181440, 222286, 333429, 444572, 555715, 666858, 778001, 889144, 1000287, 1111430, 1333716, 1556002, 1667145, 1778288, 2000574, 2222860, 2334003, 2667432, 3000861, 3112004, 3334290, 3556576, 3890005, 4001148, 4445720, 4668006, 5001435, 5334864, 6001722, 6224008, 6668580, 7002009, 7113152, 7780010, 8002296, 8891440, 9002583, 9336012, 10002870, 10669728, 11670015, 12003444, 12448016, 13337160, 14004018, 15004305, 15560020, 16004592, 17782880, 18005166, 18672024, 20005740, 21006027, 21339456, 23340030, 24006888, 24896032, 26674320, 28008036, 30008610, 31120040, 32009184, 35010045, 35565760, 36010332, 37344048, 40011480, 42012054, 45012915, 46680060, 48013776, 49792064, 53348640, 56016072, 60017220, 62240080, 63018081, 64018368, 70020090, 72020664, 74688096, 80022960, 84024108, 90025830, 93360120, 96027552, 105030135, 106697280, 112032144, 120034440, 124480160, 126036162, 140040180, 144041328, 149376192, 160045920, 168048216, 180051660, 186720240, 192055104, 210060270, 224064288, 240068880, 248960320, 252072324, 280080360, 288082656, 315090405, 320091840, 336096432, 360103320, 373440480, 420120540, 448128576, 480137760, 504144648, 560160720, 576165312, 630180810, 672192864, 720206640, 746880960, 840241080, 960275520, 1008289296, 1120321440, 1260361620, 1344385728, 1440413280, 1680482160, 2016578592, 2240642880, 2520723240, 2880826560, 3360964320, 4033157184, 5041446480, 6721928640, 10082892960, 20165785920]

約数ペア:

[(1, 20165785920), (2, 10082892960), (3, 6721928640), (4, 5041446480), (5, 4033157184), (6, 3360964320), (7, 2880826560), (8, 2520723240), (9, 2240642880), (10, 2016578592), (12, 1680482160), (14, 1440413280), (15, 1344385728), (16, 1260361620), (18, 1120321440), (20, 1008289296), (21, 960275520), (24, 840241080), (27, 746880960), (28, 720206640), (30, 672192864), (32, 630180810), (35, 576165312), (36, 560160720), (40, 504144648), (42, 480137760), (45, 448128576), (48, 420120540), (54, 373440480), (56, 360103320), (60, 336096432), (63, 320091840), (64, 315090405), (70, 288082656), (72, 280080360), (80, 252072324), (81, 248960320), (84, 240068880), (90, 224064288), (96, 210060270), (105, 192055104), (108, 186720240), (112, 180051660), (120, 168048216), (126, 160045920), (135, 149376192), (140, 144041328), (144, 140040180), (160, 126036162), (162, 124480160), (168, 120034440), (180, 112032144), (189, 106697280), (192, 105030135), (210, 96027552), (216, 93360120), (224, 90025830), (240, 84024108), (252, 80022960), (270, 74688096), (280, 72020664), (288, 70020090), (315, 64018368), (320, 63018081), (324, 62240080), (336, 60017220), (360, 56016072), (378, 53348640), (405, 49792064), (420, 48013776), (432, 46680060), (448, 45012915), (480, 42012054), (504, 40011480), (540, 37344048), (560, 36010332), (567, 35565760), (576, 35010045), (630, 32009184), (648, 31120040), (672, 30008610), (720, 28008036), (756, 26674320), (810, 24896032), (840, 24006888), (864, 23340030), (945, 21339456), (960, 21006027), (1008, 20005740), (1080, 18672024), (1120, 18005166), (1134, 17782880), (1260, 16004592), (1296, 15560020), (1344, 15004305), (1440, 14004018), (1512, 13337160), (1620, 12448016), (1680, 12003444), (1728, 11670015), (1890, 10669728), (2016, 10002870), (2160, 9336012), (2240, 9002583), (2268, 8891440), (2520, 8002296), (2592, 7780010), (2835, 7113152), (2880, 7002009), (3024, 6668580), (3240, 6224008), (3360, 6001722), (3780, 5334864), (4032, 5001435), (4320, 4668006), (4536, 4445720), (5040, 4001148), (5184, 3890005), (5670, 3556576), (6048, 3334290), (6480, 3112004), (6720, 3000861), (7560, 2667432), (8640, 2334003), (9072, 2222860), (10080, 2000574), (11340, 1778288), (12096, 1667145), (12960, 1556002), (15120, 1333716), (18144, 1111430), (20160, 1000287), (22680, 889144), (25920, 778001), (30240, 666858), (36288, 555715), (45360, 444572), (60480, 333429), (90720, 222286), (111143, 181440)]