131460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{313}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 422016

約数和(自身を除く): 290556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 313, 420, 626, 939, 1252, 1565, 1878, 2191, 3130, 3756, 4382, 4695, 6260, 6573, 8764, 9390, 10955, 13146, 18780, 21910, 26292, 32865, 43820, 65730, 131460]

約数ペア:

[(1, 131460), (2, 65730), (3, 43820), (4, 32865), (5, 26292), (6, 21910), (7, 18780), (10, 13146), (12, 10955), (14, 9390), (15, 8764), (20, 6573), (21, 6260), (28, 4695), (30, 4382), (35, 3756), (42, 3130), (60, 2191), (70, 1878), (84, 1565), (105, 1252), (140, 939), (210, 626), (313, 420)]