71785980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2713}}^1$

素因数の和:2745

約数の個数: 144

約数和(自身を含む): 259892640

約数和(自身を除く): 188106660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2713, 2940, 3780, 4410, 5292, 5426, 6615, 8139, 8820, 10852, 13230, 13565, 16278, 18991, 24417, 26460, 27130, 32556, 37982, 40695, 48834, 54260, 56973, 73251, 75964, 81390, 94955, 97668, 113946, 122085, 132937, 146502, 162780, 170919, 189910, 227892, 244170, 265874, 284865, 293004, 341838, 366255, 379820, 398811, 488340, 512757, 531748, 569730, 664685, 683676, 732510, 797622, 854595, 1025514, 1139460, 1196433, 1329370, 1465020, 1595244, 1709190, 1994055, 2051028, 2392866, 2563785, 2658740, 3418380, 3589299, 3988110, 4785732, 5127570, 5982165, 7178598, 7976220, 10255140, 11964330, 14357196, 17946495, 23928660, 35892990, 71785980]

約数ペア:

[(1, 71785980), (2, 35892990), (3, 23928660), (4, 17946495), (5, 14357196), (6, 11964330), (7, 10255140), (9, 7976220), (10, 7178598), (12, 5982165), (14, 5127570), (15, 4785732), (18, 3988110), (20, 3589299), (21, 3418380), (27, 2658740), (28, 2563785), (30, 2392866), (35, 2051028), (36, 1994055), (42, 1709190), (45, 1595244), (49, 1465020), (54, 1329370), (60, 1196433), (63, 1139460), (70, 1025514), (84, 854595), (90, 797622), (98, 732510), (105, 683676), (108, 664685), (126, 569730), (135, 531748), (140, 512757), (147, 488340), (180, 398811), (189, 379820), (196, 366255), (210, 341838), (245, 293004), (252, 284865), (270, 265874), (294, 244170), (315, 227892), (378, 189910), (420, 170919), (441, 162780), (490, 146502), (540, 132937), (588, 122085), (630, 113946), (735, 97668), (756, 94955), (882, 81390), (945, 75964), (980, 73251), (1260, 56973), (1323, 54260), (1470, 48834), (1764, 40695), (1890, 37982), (2205, 32556), (2646, 27130), (2713, 26460), (2940, 24417), (3780, 18991), (4410, 16278), (5292, 13565), (5426, 13230), (6615, 10852), (8139, 8820)]