161403440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10789}}^1$

素因数の和:10830

約数の個数: 80

約数和(自身を含む): 433499040

約数和(自身を除く): 272095600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 10789, 14960, 21578, 43156, 53945, 86312, 107890, 118679, 172624, 183413, 215780, 237358, 366826, 431560, 474716, 593395, 733652, 863120, 917065, 949432, 1186790, 1467304, 1834130, 1898864, 2017543, 2373580, 2934608, 3668260, 4035086, 4747160, 7336520, 8070172, 9494320, 10087715, 14673040, 16140344, 20175430, 32280688, 40350860, 80701720, 161403440]

約数ペア:

[(1, 161403440), (2, 80701720), (4, 40350860), (5, 32280688), (8, 20175430), (10, 16140344), (11, 14673040), (16, 10087715), (17, 9494320), (20, 8070172), (22, 7336520), (34, 4747160), (40, 4035086), (44, 3668260), (55, 2934608), (68, 2373580), (80, 2017543), (85, 1898864), (88, 1834130), (110, 1467304), (136, 1186790), (170, 949432), (176, 917065), (187, 863120), (220, 733652), (272, 593395), (340, 474716), (374, 431560), (440, 366826), (680, 237358), (748, 215780), (880, 183413), (935, 172624), (1360, 118679), (1496, 107890), (1870, 86312), (2992, 53945), (3740, 43156), (7480, 21578), (10789, 14960)]