28275510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 72534528

約数和(自身を除く): 44259018

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 690, 953, 989, 1290, 1906, 1978, 2859, 2967, 4765, 4945, 5718, 5934, 9530, 9890, 14295, 14835, 21919, 28590, 29670, 40979, 43838, 65757, 81958, 109595, 122937, 131514, 204895, 219190, 245874, 328785, 409790, 614685, 657570, 942517, 1229370, 1885034, 2827551, 4712585, 5655102, 9425170, 14137755, 28275510]

約数ペア:

[(1, 28275510), (2, 14137755), (3, 9425170), (5, 5655102), (6, 4712585), (10, 2827551), (15, 1885034), (23, 1229370), (30, 942517), (43, 657570), (46, 614685), (69, 409790), (86, 328785), (115, 245874), (129, 219190), (138, 204895), (215, 131514), (230, 122937), (258, 109595), (345, 81958), (430, 65757), (645, 43838), (690, 40979), (953, 29670), (989, 28590), (1290, 21919), (1906, 14835), (1978, 14295), (2859, 9890), (2967, 9530), (4765, 5934), (4945, 5718)]