87515280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:833

約数の個数: 120

約数和(自身を含む): 295876152

約数和(自身を除く): 208360872

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, 617, 720, 788, 985, 1182, 1234, 1576, 1773, 1851, 1970, 2364, 2468, 2955, 3085, 3152, 3546, 3702, 3940, 4728, 4936, 5553, 5910, 6170, 7092, 7404, 7880, 8865, 9255, 9456, 9872, 11106, 11820, 12340, 14184, 14808, 15760, 17730, 18510, 22212, 23640, 24680, 27765, 28368, 29616, 35460, 37020, 44424, 47280, 49360, 55530, 70920, 74040, 88848, 111060, 121549, 141840, 148080, 222120, 243098, 364647, 444240, 486196, 607745, 729294, 972392, 1093941, 1215490, 1458588, 1823235, 1944784, 2187882, 2430980, 2917176, 3646470, 4375764, 4861960, 5469705, 5834352, 7292940, 8751528, 9723920, 10939410, 14585880, 17503056, 21878820, 29171760, 43757640, 87515280]

約数ペア:

[(1, 87515280), (2, 43757640), (3, 29171760), (4, 21878820), (5, 17503056), (6, 14585880), (8, 10939410), (9, 9723920), (10, 8751528), (12, 7292940), (15, 5834352), (16, 5469705), (18, 4861960), (20, 4375764), (24, 3646470), (30, 2917176), (36, 2430980), (40, 2187882), (45, 1944784), (48, 1823235), (60, 1458588), (72, 1215490), (80, 1093941), (90, 972392), (120, 729294), (144, 607745), (180, 486196), (197, 444240), (240, 364647), (360, 243098), (394, 222120), (591, 148080), (617, 141840), (720, 121549), (788, 111060), (985, 88848), (1182, 74040), (1234, 70920), (1576, 55530), (1773, 49360), (1851, 47280), (1970, 44424), (2364, 37020), (2468, 35460), (2955, 29616), (3085, 28368), (3152, 27765), (3546, 24680), (3702, 23640), (3940, 22212), (4728, 18510), (4936, 17730), (5553, 15760), (5910, 14808), (6170, 14184), (7092, 12340), (7404, 11820), (7880, 11106), (8865, 9872), (9255, 9456)]