71779680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{7121}}^1$

素因数の和:7149

約数の個数: 144

約数和(自身を含む): 279980064

約数和(自身を除く): 208200384

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, 7121, 10080, 14242, 21363, 28484, 35605, 42726, 49847, 56968, 64089, 71210, 85452, 99694, 106815, 113936, 128178, 142420, 149541, 170904, 199388, 213630, 227872, 249235, 256356, 284840, 299082, 320445, 341808, 398776, 427260, 448623, 498470, 512712, 569680, 598164, 640890, 683616, 747705, 797552, 854520, 897246, 996940, 1025424, 1139360, 1196328, 1281780, 1495410, 1595104, 1709040, 1794492, 1993880, 2050848, 2243115, 2392656, 2563560, 2990820, 3418080, 3588984, 3987760, 4486230, 4785312, 5127120, 5981640, 7177968, 7975520, 8972460, 10254240, 11963280, 14355936, 17944920, 23926560, 35889840, 71779680]

約数ペア:

[(1, 71779680), (2, 35889840), (3, 23926560), (4, 17944920), (5, 14355936), (6, 11963280), (7, 10254240), (8, 8972460), (9, 7975520), (10, 7177968), (12, 5981640), (14, 5127120), (15, 4785312), (16, 4486230), (18, 3987760), (20, 3588984), (21, 3418080), (24, 2990820), (28, 2563560), (30, 2392656), (32, 2243115), (35, 2050848), (36, 1993880), (40, 1794492), (42, 1709040), (45, 1595104), (48, 1495410), (56, 1281780), (60, 1196328), (63, 1139360), (70, 1025424), (72, 996940), (80, 897246), (84, 854520), (90, 797552), (96, 747705), (105, 683616), (112, 640890), (120, 598164), (126, 569680), (140, 512712), (144, 498470), (160, 448623), (168, 427260), (180, 398776), (210, 341808), (224, 320445), (240, 299082), (252, 284840), (280, 256356), (288, 249235), (315, 227872), (336, 213630), (360, 199388), (420, 170904), (480, 149541), (504, 142420), (560, 128178), (630, 113936), (672, 106815), (720, 99694), (840, 85452), (1008, 71210), (1120, 64089), (1260, 56968), (1440, 49847), (1680, 42726), (2016, 35605), (2520, 28484), (3360, 21363), (5040, 14242), (7121, 10080)]