161257320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:832

約数の個数: 192

約数和(自身を含む): 606528000

約数和(自身を除く): 445270680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 89, 90, 105, 120, 126, 140, 168, 178, 180, 210, 252, 267, 280, 315, 356, 360, 420, 445, 504, 534, 623, 630, 712, 719, 801, 840, 890, 1068, 1246, 1260, 1335, 1438, 1602, 1780, 1869, 2136, 2157, 2492, 2520, 2670, 2876, 3115, 3204, 3560, 3595, 3738, 4005, 4314, 4984, 5033, 5340, 5607, 5752, 6230, 6408, 6471, 7190, 7476, 8010, 8628, 9345, 10066, 10680, 10785, 11214, 12460, 12942, 14380, 14952, 15099, 16020, 17256, 18690, 20132, 21570, 22428, 24920, 25165, 25884, 28035, 28760, 30198, 32040, 32355, 37380, 40264, 43140, 44856, 45297, 50330, 51768, 56070, 60396, 63991, 64710, 74760, 75495, 86280, 90594, 100660, 112140, 120792, 127982, 129420, 150990, 181188, 191973, 201320, 224280, 226485, 255964, 258840, 301980, 319955, 362376, 383946, 447937, 452970, 511928, 575919, 603960, 639910, 767892, 895874, 905940, 959865, 1151838, 1279820, 1343811, 1535784, 1791748, 1811880, 1919730, 2239685, 2303676, 2559640, 2687622, 2879595, 3583496, 3839460, 4031433, 4479370, 4607352, 5375244, 5759190, 6719055, 7678920, 8062866, 8958740, 10750488, 11518380, 13438110, 16125732, 17917480, 20157165, 23036760, 26876220, 32251464, 40314330, 53752440, 80628660, 161257320]

約数ペア:

[(1, 161257320), (2, 80628660), (3, 53752440), (4, 40314330), (5, 32251464), (6, 26876220), (7, 23036760), (8, 20157165), (9, 17917480), (10, 16125732), (12, 13438110), (14, 11518380), (15, 10750488), (18, 8958740), (20, 8062866), (21, 7678920), (24, 6719055), (28, 5759190), (30, 5375244), (35, 4607352), (36, 4479370), (40, 4031433), (42, 3839460), (45, 3583496), (56, 2879595), (60, 2687622), (63, 2559640), (70, 2303676), (72, 2239685), (84, 1919730), (89, 1811880), (90, 1791748), (105, 1535784), (120, 1343811), (126, 1279820), (140, 1151838), (168, 959865), (178, 905940), (180, 895874), (210, 767892), (252, 639910), (267, 603960), (280, 575919), (315, 511928), (356, 452970), (360, 447937), (420, 383946), (445, 362376), (504, 319955), (534, 301980), (623, 258840), (630, 255964), (712, 226485), (719, 224280), (801, 201320), (840, 191973), (890, 181188), (1068, 150990), (1246, 129420), (1260, 127982), (1335, 120792), (1438, 112140), (1602, 100660), (1780, 90594), (1869, 86280), (2136, 75495), (2157, 74760), (2492, 64710), (2520, 63991), (2670, 60396), (2876, 56070), (3115, 51768), (3204, 50330), (3560, 45297), (3595, 44856), (3738, 43140), (4005, 40264), (4314, 37380), (4984, 32355), (5033, 32040), (5340, 30198), (5607, 28760), (5752, 28035), (6230, 25884), (6408, 25165), (6471, 24920), (7190, 22428), (7476, 21570), (8010, 20132), (8628, 18690), (9345, 17256), (10066, 16020), (10680, 15099), (10785, 14952), (11214, 14380), (12460, 12942)]