320144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:143

約数の個数: 40

約数和(自身を含む): 723168

約数和(自身を除く): 403024

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 107, 136, 176, 187, 214, 272, 374, 428, 748, 856, 1177, 1496, 1712, 1819, 2354, 2992, 3638, 4708, 7276, 9416, 14552, 18832, 20009, 29104, 40018, 80036, 160072, 320144]

約数ペア:

[(1, 320144), (2, 160072), (4, 80036), (8, 40018), (11, 29104), (16, 20009), (17, 18832), (22, 14552), (34, 9416), (44, 7276), (68, 4708), (88, 3638), (107, 2992), (136, 2354), (176, 1819), (187, 1712), (214, 1496), (272, 1177), (374, 856), (428, 748)]