16780620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{911}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 47190528

約数和(自身を除く): 30409908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 307, 614, 911, 921, 1228, 1535, 1822, 1842, 2733, 3070, 3644, 3684, 4555, 4605, 5466, 6140, 9110, 9210, 10932, 13665, 18220, 18420, 27330, 54660, 279677, 559354, 839031, 1118708, 1398385, 1678062, 2796770, 3356124, 4195155, 5593540, 8390310, 16780620]

約数ペア:

[(1, 16780620), (2, 8390310), (3, 5593540), (4, 4195155), (5, 3356124), (6, 2796770), (10, 1678062), (12, 1398385), (15, 1118708), (20, 839031), (30, 559354), (60, 279677), (307, 54660), (614, 27330), (911, 18420), (921, 18220), (1228, 13665), (1535, 10932), (1822, 9210), (1842, 9110), (2733, 6140), (3070, 5466), (3644, 4605), (3684, 4555)]