181980720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1283}}^1$

素因数の和:1499

約数の個数: 120

約数和(自身を含む): 614732976

約数和(自身を除く): 432752256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 197, 240, 360, 394, 591, 720, 788, 985, 1182, 1283, 1576, 1773, 1970, 2364, 2566, 2955, 3152, 3546, 3849, 3940, 4728, 5132, 5910, 6415, 7092, 7698, 7880, 8865, 9456, 10264, 11547, 11820, 12830, 14184, 15396, 15760, 17730, 19245, 20528, 23094, 23640, 25660, 28368, 30792, 35460, 38490, 46188, 47280, 51320, 57735, 61584, 70920, 76980, 92376, 102640, 115470, 141840, 153960, 184752, 230940, 252751, 307920, 461880, 505502, 758253, 923760, 1011004, 1263755, 1516506, 2022008, 2274759, 2527510, 3033012, 3791265, 4044016, 4549518, 5055020, 6066024, 7582530, 9099036, 10110040, 11373795, 12132048, 15165060, 18198072, 20220080, 22747590, 30330120, 36396144, 45495180, 60660240, 90990360, 181980720]

約数ペア:

[(1, 181980720), (2, 90990360), (3, 60660240), (4, 45495180), (5, 36396144), (6, 30330120), (8, 22747590), (9, 20220080), (10, 18198072), (12, 15165060), (15, 12132048), (16, 11373795), (18, 10110040), (20, 9099036), (24, 7582530), (30, 6066024), (36, 5055020), (40, 4549518), (45, 4044016), (48, 3791265), (60, 3033012), (72, 2527510), (80, 2274759), (90, 2022008), (120, 1516506), (144, 1263755), (180, 1011004), (197, 923760), (240, 758253), (360, 505502), (394, 461880), (591, 307920), (720, 252751), (788, 230940), (985, 184752), (1182, 153960), (1283, 141840), (1576, 115470), (1773, 102640), (1970, 92376), (2364, 76980), (2566, 70920), (2955, 61584), (3152, 57735), (3546, 51320), (3849, 47280), (3940, 46188), (4728, 38490), (5132, 35460), (5910, 30792), (6415, 28368), (7092, 25660), (7698, 23640), (7880, 23094), (8865, 20528), (9456, 19245), (10264, 17730), (11547, 15760), (11820, 15396), (12830, 14184)]