78185520

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{5171}}^1$

素因数の和:5200

約数の個数: 160

約数和(自身を含む): 307837440

約数和(自身を除く): 229651920

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, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 5171, 7560, 10342, 15120, 15513, 20684, 25855, 31026, 36197, 41368, 46539, 51710, 62052, 72394, 77565, 82736, 93078, 103420, 108591, 124104, 139617, 144788, 155130, 180985, 186156, 206840, 217182, 232695, 248208, 279234, 289576, 310260, 325773, 361970, 372312, 413680, 434364, 465390, 542955, 558468, 579152, 620520, 651546, 698085, 723940, 744624, 868728, 930780, 977319, 1085910, 1116936, 1241040, 1303092, 1396170, 1447880, 1628865, 1737456, 1861560, 1954638, 2171820, 2233872, 2606184, 2792340, 2895760, 3257730, 3723120, 3909276, 4343640, 4886595, 5212368, 5584680, 6515460, 7818552, 8687280, 9773190, 11169360, 13030920, 15637104, 19546380, 26061840, 39092760, 78185520]

約数ペア:

[(1, 78185520), (2, 39092760), (3, 26061840), (4, 19546380), (5, 15637104), (6, 13030920), (7, 11169360), (8, 9773190), (9, 8687280), (10, 7818552), (12, 6515460), (14, 5584680), (15, 5212368), (16, 4886595), (18, 4343640), (20, 3909276), (21, 3723120), (24, 3257730), (27, 2895760), (28, 2792340), (30, 2606184), (35, 2233872), (36, 2171820), (40, 1954638), (42, 1861560), (45, 1737456), (48, 1628865), (54, 1447880), (56, 1396170), (60, 1303092), (63, 1241040), (70, 1116936), (72, 1085910), (80, 977319), (84, 930780), (90, 868728), (105, 744624), (108, 723940), (112, 698085), (120, 651546), (126, 620520), (135, 579152), (140, 558468), (144, 542955), (168, 465390), (180, 434364), (189, 413680), (210, 372312), (216, 361970), (240, 325773), (252, 310260), (270, 289576), (280, 279234), (315, 248208), (336, 232695), (360, 217182), (378, 206840), (420, 186156), (432, 180985), (504, 155130), (540, 144788), (560, 139617), (630, 124104), (720, 108591), (756, 103420), (840, 93078), (945, 82736), (1008, 77565), (1080, 72394), (1260, 62052), (1512, 51710), (1680, 46539), (1890, 41368), (2160, 36197), (2520, 31026), (3024, 25855), (3780, 20684), (5040, 15513), (5171, 15120), (7560, 10342)]