77416920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1046

約数の個数: 192

約数和(自身を含む): 297123840

約数和(自身を除く): 219706920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 991, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 1982, 2170, 2232, 2520, 2604, 2790, 2973, 3255, 3720, 3906, 3964, 4340, 4955, 5208, 5580, 5946, 6510, 6937, 7812, 7928, 8680, 8919, 9765, 9910, 11160, 11892, 13020, 13874, 14865, 15624, 17838, 19530, 19820, 20811, 23784, 26040, 27748, 29730, 30721, 34685, 35676, 39060, 39640, 41622, 44595, 55496, 59460, 61442, 62433, 69370, 71352, 78120, 83244, 89190, 92163, 104055, 118920, 122884, 124866, 138740, 153605, 166488, 178380, 184326, 208110, 215047, 245768, 249732, 276489, 277480, 307210, 312165, 356760, 368652, 416220, 430094, 460815, 499464, 552978, 614420, 624330, 645141, 737304, 832440, 860188, 921630, 1075235, 1105956, 1228840, 1248660, 1290282, 1382445, 1720376, 1843260, 1935423, 2150470, 2211912, 2497320, 2580564, 2764890, 3225705, 3686520, 3870846, 4300940, 5161128, 5529780, 6451410, 7741692, 8601880, 9677115, 11059560, 12902820, 15483384, 19354230, 25805640, 38708460, 77416920]

約数ペア:

[(1, 77416920), (2, 38708460), (3, 25805640), (4, 19354230), (5, 15483384), (6, 12902820), (7, 11059560), (8, 9677115), (9, 8601880), (10, 7741692), (12, 6451410), (14, 5529780), (15, 5161128), (18, 4300940), (20, 3870846), (21, 3686520), (24, 3225705), (28, 2764890), (30, 2580564), (31, 2497320), (35, 2211912), (36, 2150470), (40, 1935423), (42, 1843260), (45, 1720376), (56, 1382445), (60, 1290282), (62, 1248660), (63, 1228840), (70, 1105956), (72, 1075235), (84, 921630), (90, 860188), (93, 832440), (105, 737304), (120, 645141), (124, 624330), (126, 614420), (140, 552978), (155, 499464), (168, 460815), (180, 430094), (186, 416220), (210, 368652), (217, 356760), (248, 312165), (252, 307210), (279, 277480), (280, 276489), (310, 249732), (315, 245768), (360, 215047), (372, 208110), (420, 184326), (434, 178380), (465, 166488), (504, 153605), (558, 138740), (620, 124866), (630, 122884), (651, 118920), (744, 104055), (840, 92163), (868, 89190), (930, 83244), (991, 78120), (1085, 71352), (1116, 69370), (1240, 62433), (1260, 61442), (1302, 59460), (1395, 55496), (1736, 44595), (1860, 41622), (1953, 39640), (1982, 39060), (2170, 35676), (2232, 34685), (2520, 30721), (2604, 29730), (2790, 27748), (2973, 26040), (3255, 23784), (3720, 20811), (3906, 19820), (3964, 19530), (4340, 17838), (4955, 15624), (5208, 14865), (5580, 13874), (5946, 13020), (6510, 11892), (6937, 11160), (7812, 9910), (7928, 9765), (8680, 8919)]