161189280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{15991}}^1$

素因数の和:16019

約数の個数: 144

約数和(自身を含む): 628677504

約数和(自身を除く): 467488224

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, 15991, 31982, 47973, 63964, 79955, 95946, 111937, 127928, 143919, 159910, 191892, 223874, 239865, 255856, 287838, 319820, 335811, 383784, 447748, 479730, 511712, 559685, 575676, 639640, 671622, 719595, 767568, 895496, 959460, 1007433, 1119370, 1151352, 1279280, 1343244, 1439190, 1535136, 1679055, 1790992, 1918920, 2014866, 2238740, 2302704, 2558560, 2686488, 2878380, 3358110, 3581984, 3837840, 4029732, 4477480, 4605408, 5037165, 5372976, 5756760, 6716220, 7675680, 8059464, 8954960, 10074330, 10745952, 11513520, 13432440, 16118928, 17909920, 20148660, 23027040, 26864880, 32237856, 40297320, 53729760, 80594640, 161189280]

約数ペア:

[(1, 161189280), (2, 80594640), (3, 53729760), (4, 40297320), (5, 32237856), (6, 26864880), (7, 23027040), (8, 20148660), (9, 17909920), (10, 16118928), (12, 13432440), (14, 11513520), (15, 10745952), (16, 10074330), (18, 8954960), (20, 8059464), (21, 7675680), (24, 6716220), (28, 5756760), (30, 5372976), (32, 5037165), (35, 4605408), (36, 4477480), (40, 4029732), (42, 3837840), (45, 3581984), (48, 3358110), (56, 2878380), (60, 2686488), (63, 2558560), (70, 2302704), (72, 2238740), (80, 2014866), (84, 1918920), (90, 1790992), (96, 1679055), (105, 1535136), (112, 1439190), (120, 1343244), (126, 1279280), (140, 1151352), (144, 1119370), (160, 1007433), (168, 959460), (180, 895496), (210, 767568), (224, 719595), (240, 671622), (252, 639640), (280, 575676), (288, 559685), (315, 511712), (336, 479730), (360, 447748), (420, 383784), (480, 335811), (504, 319820), (560, 287838), (630, 255856), (672, 239865), (720, 223874), (840, 191892), (1008, 159910), (1120, 143919), (1260, 127928), (1440, 111937), (1680, 95946), (2016, 79955), (2520, 63964), (3360, 47973), (5040, 31982), (10080, 15991)]