178020

素因数分解:

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

素因数の和:81

約数の個数: 72

約数和(自身を含む): 576576

約数和(自身を除く): 398556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 43, 45, 46, 60, 69, 86, 90, 92, 115, 129, 138, 172, 180, 207, 215, 230, 258, 276, 345, 387, 414, 430, 460, 516, 645, 690, 774, 828, 860, 989, 1035, 1290, 1380, 1548, 1935, 1978, 2070, 2580, 2967, 3870, 3956, 4140, 4945, 5934, 7740, 8901, 9890, 11868, 14835, 17802, 19780, 29670, 35604, 44505, 59340, 89010, 178020]

約数ペア:

[(1, 178020), (2, 89010), (3, 59340), (4, 44505), (5, 35604), (6, 29670), (9, 19780), (10, 17802), (12, 14835), (15, 11868), (18, 9890), (20, 8901), (23, 7740), (30, 5934), (36, 4945), (43, 4140), (45, 3956), (46, 3870), (60, 2967), (69, 2580), (86, 2070), (90, 1978), (92, 1935), (115, 1548), (129, 1380), (138, 1290), (172, 1035), (180, 989), (207, 860), (215, 828), (230, 774), (258, 690), (276, 645), (345, 516), (387, 460), (414, 430)]