81840144

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^2\times {\mathrm{4723}}^1$

素因数の和:4772

約数の個数: 60

約数和(自身を含む): 223180656

約数和(自身を除く): 141340512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 361, 456, 722, 912, 1083, 1444, 2166, 2888, 4332, 4723, 5776, 8664, 9446, 14169, 17328, 18892, 28338, 37784, 56676, 75568, 89737, 113352, 179474, 226704, 269211, 358948, 538422, 717896, 1076844, 1435792, 1705003, 2153688, 3410006, 4307376, 5115009, 6820012, 10230018, 13640024, 20460036, 27280048, 40920072, 81840144]

約数ペア:

[(1, 81840144), (2, 40920072), (3, 27280048), (4, 20460036), (6, 13640024), (8, 10230018), (12, 6820012), (16, 5115009), (19, 4307376), (24, 3410006), (38, 2153688), (48, 1705003), (57, 1435792), (76, 1076844), (114, 717896), (152, 538422), (228, 358948), (304, 269211), (361, 226704), (456, 179474), (722, 113352), (912, 89737), (1083, 75568), (1444, 56676), (2166, 37784), (2888, 28338), (4332, 18892), (4723, 17328), (5776, 14169), (8664, 9446)]