656923680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{65171}}^1$

素因数の和:65199

約数の個数: 144

約数和(自身を含む): 2562041664

約数和(自身を除く): 1905117984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 65171, 130342, 195513, 260684, 325855, 391026, 456197, 521368, 586539, 651710, 782052, 912394, 977565, 1042736, 1173078, 1303420, 1368591, 1564104, 1824788, 1955130, 2085472, 2280985, 2346156, 2606840, 2737182, 2932695, 3128208, 3649576, 3910260, 4105773, 4561970, 4692312, 5213680, 5474364, 5865390, 6256416, 6842955, 7299152, 7820520, 8211546, 9123940, 9384624, 10427360, 10948728, 11730780, 13685910, 14598304, 15641040, 16423092, 18247880, 18769248, 20528865, 21897456, 23461560, 27371820, 31282080, 32846184, 36495760, 41057730, 43794912, 46923120, 54743640, 65692368, 72991520, 82115460, 93846240, 109487280, 131384736, 164230920, 218974560, 328461840, 656923680]

約数ペア:

[(1, 656923680), (2, 328461840), (3, 218974560), (4, 164230920), (5, 131384736), (6, 109487280), (7, 93846240), (8, 82115460), (9, 72991520), (10, 65692368), (12, 54743640), (14, 46923120), (15, 43794912), (16, 41057730), (18, 36495760), (20, 32846184), (21, 31282080), (24, 27371820), (28, 23461560), (30, 21897456), (32, 20528865), (35, 18769248), (36, 18247880), (40, 16423092), (42, 15641040), (45, 14598304), (48, 13685910), (56, 11730780), (60, 10948728), (63, 10427360), (70, 9384624), (72, 9123940), (80, 8211546), (84, 7820520), (90, 7299152), (96, 6842955), (105, 6256416), (112, 5865390), (120, 5474364), (126, 5213680), (140, 4692312), (144, 4561970), (160, 4105773), (168, 3910260), (180, 3649576), (210, 3128208), (224, 2932695), (240, 2737182), (252, 2606840), (280, 2346156), (288, 2280985), (315, 2085472), (336, 1955130), (360, 1824788), (420, 1564104), (480, 1368591), (504, 1303420), (560, 1173078), (630, 1042736), (672, 977565), (720, 912394), (840, 782052), (1008, 651710), (1120, 586539), (1260, 521368), (1440, 456197), (1680, 391026), (2016, 325855), (2520, 260684), (3360, 195513), (5040, 130342), (10080, 65171)]