17280990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1393

約数の個数: 48

約数和(自身を含む): 45253728

約数和(自身を除く): 27972738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1223, 1413, 1570, 2355, 2446, 2826, 3669, 4710, 6115, 7065, 7338, 11007, 12230, 14130, 18345, 22014, 36690, 55035, 110070, 192011, 384022, 576033, 960055, 1152066, 1728099, 1920110, 2880165, 3456198, 5760330, 8640495, 17280990]

約数ペア:

[(1, 17280990), (2, 8640495), (3, 5760330), (5, 3456198), (6, 2880165), (9, 1920110), (10, 1728099), (15, 1152066), (18, 960055), (30, 576033), (45, 384022), (90, 192011), (157, 110070), (314, 55035), (471, 36690), (785, 22014), (942, 18345), (1223, 14130), (1413, 12230), (1570, 11007), (2355, 7338), (2446, 7065), (2826, 6115), (3669, 4710)]