638683920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:879

約数の個数: 320

約数和(自身を含む): 2564835840

約数和(自身を除く): 1926151920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 53, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 106, 108, 112, 120, 126, 135, 140, 144, 159, 168, 180, 189, 210, 212, 216, 240, 252, 265, 270, 280, 315, 318, 336, 360, 371, 378, 420, 424, 432, 477, 504, 530, 540, 560, 630, 636, 720, 742, 756, 795, 797, 840, 848, 945, 954, 1008, 1060, 1080, 1113, 1260, 1272, 1431, 1484, 1512, 1590, 1594, 1680, 1855, 1890, 1908, 2120, 2160, 2226, 2385, 2391, 2520, 2544, 2862, 2968, 3024, 3180, 3188, 3339, 3710, 3780, 3816, 3985, 4240, 4452, 4770, 4782, 5040, 5565, 5579, 5724, 5936, 6360, 6376, 6678, 7155, 7173, 7420, 7560, 7632, 7970, 8904, 9540, 9564, 10017, 11130, 11158, 11448, 11955, 12720, 12752, 13356, 14310, 14346, 14840, 15120, 15940, 16695, 16737, 17808, 19080, 19128, 20034, 21519, 22260, 22316, 22896, 23910, 26712, 27895, 28620, 28692, 29680, 31880, 33390, 33474, 35865, 38160, 38256, 40068, 42241, 43038, 44520, 44632, 47820, 50085, 50211, 53424, 55790, 57240, 57384, 63760, 66780, 66948, 71730, 80136, 83685, 84482, 86076, 89040, 89264, 95640, 100170, 100422, 107595, 111580, 114480, 114768, 126723, 133560, 133896, 143460, 150633, 160272, 167370, 168964, 172152, 191280, 200340, 200844, 211205, 215190, 223160, 251055, 253446, 267120, 267792, 286920, 295687, 301266, 334740, 337928, 344304, 380169, 400680, 401688, 422410, 430380, 446320, 502110, 506892, 573840, 591374, 602532, 633615, 669480, 675856, 753165, 760338, 801360, 803376, 844820, 860760, 887061, 1004220, 1013784, 1140507, 1182748, 1205064, 1267230, 1338960, 1478435, 1506330, 1520676, 1689640, 1721520, 1774122, 1900845, 2008440, 2027568, 2281014, 2365496, 2410128, 2534460, 2661183, 2956870, 3012660, 3041352, 3379280, 3548244, 3801690, 4016880, 4435305, 4562028, 4730992, 5068920, 5322366, 5702535, 5913740, 6025320, 6082704, 7096488, 7603380, 7983549, 8870610, 9124056, 10137840, 10644732, 11405070, 11827480, 12050640, 13305915, 14192976, 15206760, 15967098, 17741220, 18248112, 21289464, 22810140, 23654960, 26611830, 30413520, 31934196, 35482440, 39917745, 42578928, 45620280, 53223660, 63868392, 70964880, 79835490, 91240560, 106447320, 127736784, 159670980, 212894640, 319341960, 638683920]

約数ペア:

[(1, 638683920), (2, 319341960), (3, 212894640), (4, 159670980), (5, 127736784), (6, 106447320), (7, 91240560), (8, 79835490), (9, 70964880), (10, 63868392), (12, 53223660), (14, 45620280), (15, 42578928), (16, 39917745), (18, 35482440), (20, 31934196), (21, 30413520), (24, 26611830), (27, 23654960), (28, 22810140), (30, 21289464), (35, 18248112), (36, 17741220), (40, 15967098), (42, 15206760), (45, 14192976), (48, 13305915), (53, 12050640), (54, 11827480), (56, 11405070), (60, 10644732), (63, 10137840), (70, 9124056), (72, 8870610), (80, 7983549), (84, 7603380), (90, 7096488), (105, 6082704), (106, 6025320), (108, 5913740), (112, 5702535), (120, 5322366), (126, 5068920), (135, 4730992), (140, 4562028), (144, 4435305), (159, 4016880), (168, 3801690), (180, 3548244), (189, 3379280), (210, 3041352), (212, 3012660), (216, 2956870), (240, 2661183), (252, 2534460), (265, 2410128), (270, 2365496), (280, 2281014), (315, 2027568), (318, 2008440), (336, 1900845), (360, 1774122), (371, 1721520), (378, 1689640), (420, 1520676), (424, 1506330), (432, 1478435), (477, 1338960), (504, 1267230), (530, 1205064), (540, 1182748), (560, 1140507), (630, 1013784), (636, 1004220), (720, 887061), (742, 860760), (756, 844820), (795, 803376), (797, 801360), (840, 760338), (848, 753165), (945, 675856), (954, 669480), (1008, 633615), (1060, 602532), (1080, 591374), (1113, 573840), (1260, 506892), (1272, 502110), (1431, 446320), (1484, 430380), (1512, 422410), (1590, 401688), (1594, 400680), (1680, 380169), (1855, 344304), (1890, 337928), (1908, 334740), (2120, 301266), (2160, 295687), (2226, 286920), (2385, 267792), (2391, 267120), (2520, 253446), (2544, 251055), (2862, 223160), (2968, 215190), (3024, 211205), (3180, 200844), (3188, 200340), (3339, 191280), (3710, 172152), (3780, 168964), (3816, 167370), (3985, 160272), (4240, 150633), (4452, 143460), (4770, 133896), (4782, 133560), (5040, 126723), (5565, 114768), (5579, 114480), (5724, 111580), (5936, 107595), (6360, 100422), (6376, 100170), (6678, 95640), (7155, 89264), (7173, 89040), (7420, 86076), (7560, 84482), (7632, 83685), (7970, 80136), (8904, 71730), (9540, 66948), (9564, 66780), (10017, 63760), (11130, 57384), (11158, 57240), (11448, 55790), (11955, 53424), (12720, 50211), (12752, 50085), (13356, 47820), (14310, 44632), (14346, 44520), (14840, 43038), (15120, 42241), (15940, 40068), (16695, 38256), (16737, 38160), (17808, 35865), (19080, 33474), (19128, 33390), (20034, 31880), (21519, 29680), (22260, 28692), (22316, 28620), (22896, 27895), (23910, 26712)]