646440480

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{21377}}^1$

素因数の和:21408

約数の個数: 192

約数和(自身を含む): 2585882880

約数和(自身を除く): 1939442400

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, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 21377, 30240, 42754, 64131, 85508, 106885, 128262, 149639, 171016, 192393, 213770, 256524, 299278, 320655, 342032, 384786, 427540, 448917, 513048, 577179, 598556, 641310, 684064, 748195, 769572, 855080, 897834, 961965, 1026096, 1154358, 1197112, 1282620, 1346751, 1496390, 1539144, 1710160, 1795668, 1923930, 2052192, 2244585, 2308716, 2394224, 2565240, 2693502, 2885895, 2992780, 3078288, 3420320, 3591336, 3847860, 4040253, 4489170, 4617432, 4788448, 5130480, 5387004, 5771790, 5985560, 6156576, 6733755, 7182672, 7695720, 8080506, 8978340, 9234864, 10260960, 10774008, 11543580, 11971120, 13467510, 14365344, 15391440, 16161012, 17956680, 18469728, 20201265, 21548016, 23087160, 23942240, 26935020, 30782880, 32322024, 35913360, 40402530, 43096032, 46174320, 53870040, 64644048, 71826720, 80805060, 92348640, 107740080, 129288096, 161610120, 215480160, 323220240, 646440480]

約数ペア:

[(1, 646440480), (2, 323220240), (3, 215480160), (4, 161610120), (5, 129288096), (6, 107740080), (7, 92348640), (8, 80805060), (9, 71826720), (10, 64644048), (12, 53870040), (14, 46174320), (15, 43096032), (16, 40402530), (18, 35913360), (20, 32322024), (21, 30782880), (24, 26935020), (27, 23942240), (28, 23087160), (30, 21548016), (32, 20201265), (35, 18469728), (36, 17956680), (40, 16161012), (42, 15391440), (45, 14365344), (48, 13467510), (54, 11971120), (56, 11543580), (60, 10774008), (63, 10260960), (70, 9234864), (72, 8978340), (80, 8080506), (84, 7695720), (90, 7182672), (96, 6733755), (105, 6156576), (108, 5985560), (112, 5771790), (120, 5387004), (126, 5130480), (135, 4788448), (140, 4617432), (144, 4489170), (160, 4040253), (168, 3847860), (180, 3591336), (189, 3420320), (210, 3078288), (216, 2992780), (224, 2885895), (240, 2693502), (252, 2565240), (270, 2394224), (280, 2308716), (288, 2244585), (315, 2052192), (336, 1923930), (360, 1795668), (378, 1710160), (420, 1539144), (432, 1496390), (480, 1346751), (504, 1282620), (540, 1197112), (560, 1154358), (630, 1026096), (672, 961965), (720, 897834), (756, 855080), (840, 769572), (864, 748195), (945, 684064), (1008, 641310), (1080, 598556), (1120, 577179), (1260, 513048), (1440, 448917), (1512, 427540), (1680, 384786), (1890, 342032), (2016, 320655), (2160, 299278), (2520, 256524), (3024, 213770), (3360, 192393), (3780, 171016), (4320, 149639), (5040, 128262), (6048, 106885), (7560, 85508), (10080, 64131), (15120, 42754), (21377, 30240)]