20802458880

素因数分解:

$2^8\times 3^4\times 5^1\times 7^1\times {\mathrm{28663}}^1$

素因数の和:28703

約数の個数: 360

約数和(自身を含む): 85071541632

約数和(自身を除く): 64269082752

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, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1280, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2268, 2304, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 4536, 5040, 5184, 5376, 5670, 5760, 6048, 6480, 6720, 6912, 7560, 8064, 8640, 8960, 9072, 10080, 10368, 11340, 11520, 12096, 12960, 13440, 15120, 16128, 17280, 18144, 20160, 20736, 22680, 24192, 25920, 26880, 28663, 30240, 34560, 36288, 40320, 45360, 48384, 51840, 57326, 60480, 72576, 80640, 85989, 90720, 103680, 114652, 120960, 143315, 145152, 171978, 181440, 200641, 229304, 241920, 257967, 286630, 343956, 362880, 401282, 429945, 458608, 515934, 573260, 601923, 687912, 725760, 773901, 802564, 859890, 917216, 1003205, 1031868, 1146520, 1203846, 1289835, 1375824, 1547802, 1605128, 1719780, 1805769, 1834432, 2006410, 2063736, 2293040, 2321703, 2407692, 2579670, 2751648, 3009615, 3095604, 3210256, 3439560, 3611538, 3668864, 3869505, 4012820, 4127472, 4586080, 4643406, 4815384, 5159340, 5417307, 5503296, 6019230, 6191208, 6420512, 6879120, 7223076, 7337728, 7739010, 8025640, 8254944, 9028845, 9172160, 9286812, 9630768, 10318680, 10834614, 11006592, 11608515, 12038460, 12382416, 12841024, 13758240, 14446152, 15478020, 16051280, 16251921, 16509888, 18057690, 18344320, 18573624, 19261536, 20637360, 21669228, 22013184, 23217030, 24076920, 24764832, 25682048, 27086535, 27516480, 28892304, 30956040, 32102560, 32503842, 33019776, 36115380, 36688640, 37147248, 38523072, 41274720, 43338456, 46434060, 48153840, 49529664, 51364096, 54173070, 55032960, 57784608, 61912080, 64205120, 65007684, 66039552, 72230760, 74294496, 77046144, 81259605, 82549440, 86676912, 92868120, 96307680, 99059328, 108346140, 110065920, 115569216, 123824160, 128410240, 130015368, 144461520, 148588992, 154092288, 162519210, 165098880, 173353824, 185736240, 192615360, 198118656, 216692280, 231138432, 247648320, 256820480, 260030736, 288923040, 297177984, 325038420, 330197760, 346707648, 371472480, 385230720, 433384560, 462276864, 495296640, 520061472, 577846080, 594355968, 650076840, 693415296, 742944960, 770461440, 866769120, 990593280, 1040122944, 1155692160, 1300153680, 1386830592, 1485889920, 1733538240, 2080245888, 2311384320, 2600307360, 2971779840, 3467076480, 4160491776, 5200614720, 6934152960, 10401229440, 20802458880]

約数ペア:

[(1, 20802458880), (2, 10401229440), (3, 6934152960), (4, 5200614720), (5, 4160491776), (6, 3467076480), (7, 2971779840), (8, 2600307360), (9, 2311384320), (10, 2080245888), (12, 1733538240), (14, 1485889920), (15, 1386830592), (16, 1300153680), (18, 1155692160), (20, 1040122944), (21, 990593280), (24, 866769120), (27, 770461440), (28, 742944960), (30, 693415296), (32, 650076840), (35, 594355968), (36, 577846080), (40, 520061472), (42, 495296640), (45, 462276864), (48, 433384560), (54, 385230720), (56, 371472480), (60, 346707648), (63, 330197760), (64, 325038420), (70, 297177984), (72, 288923040), (80, 260030736), (81, 256820480), (84, 247648320), (90, 231138432), (96, 216692280), (105, 198118656), (108, 192615360), (112, 185736240), (120, 173353824), (126, 165098880), (128, 162519210), (135, 154092288), (140, 148588992), (144, 144461520), (160, 130015368), (162, 128410240), (168, 123824160), (180, 115569216), (189, 110065920), (192, 108346140), (210, 99059328), (216, 96307680), (224, 92868120), (240, 86676912), (252, 82549440), (256, 81259605), (270, 77046144), (280, 74294496), (288, 72230760), (315, 66039552), (320, 65007684), (324, 64205120), (336, 61912080), (360, 57784608), (378, 55032960), (384, 54173070), (405, 51364096), (420, 49529664), (432, 48153840), (448, 46434060), (480, 43338456), (504, 41274720), (540, 38523072), (560, 37147248), (567, 36688640), (576, 36115380), (630, 33019776), (640, 32503842), (648, 32102560), (672, 30956040), (720, 28892304), (756, 27516480), (768, 27086535), (810, 25682048), (840, 24764832), (864, 24076920), (896, 23217030), (945, 22013184), (960, 21669228), (1008, 20637360), (1080, 19261536), (1120, 18573624), (1134, 18344320), (1152, 18057690), (1260, 16509888), (1280, 16251921), (1296, 16051280), (1344, 15478020), (1440, 14446152), (1512, 13758240), (1620, 12841024), (1680, 12382416), (1728, 12038460), (1792, 11608515), (1890, 11006592), (1920, 10834614), (2016, 10318680), (2160, 9630768), (2240, 9286812), (2268, 9172160), (2304, 9028845), (2520, 8254944), (2592, 8025640), (2688, 7739010), (2835, 7337728), (2880, 7223076), (3024, 6879120), (3240, 6420512), (3360, 6191208), (3456, 6019230), (3780, 5503296), (3840, 5417307), (4032, 5159340), (4320, 4815384), (4480, 4643406), (4536, 4586080), (5040, 4127472), (5184, 4012820), (5376, 3869505), (5670, 3668864), (5760, 3611538), (6048, 3439560), (6480, 3210256), (6720, 3095604), (6912, 3009615), (7560, 2751648), (8064, 2579670), (8640, 2407692), (8960, 2321703), (9072, 2293040), (10080, 2063736), (10368, 2006410), (11340, 1834432), (11520, 1805769), (12096, 1719780), (12960, 1605128), (13440, 1547802), (15120, 1375824), (16128, 1289835), (17280, 1203846), (18144, 1146520), (20160, 1031868), (20736, 1003205), (22680, 917216), (24192, 859890), (25920, 802564), (26880, 773901), (28663, 725760), (30240, 687912), (34560, 601923), (36288, 573260), (40320, 515934), (45360, 458608), (48384, 429945), (51840, 401282), (57326, 362880), (60480, 343956), (72576, 286630), (80640, 257967), (85989, 241920), (90720, 229304), (103680, 200641), (114652, 181440), (120960, 171978), (143315, 145152)]