12817740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16433}}^1$

素因数の和:16458

約数の個数: 48

約数和(自身を含む): 38652768

約数和(自身を除く): 25835028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 16433, 32866, 49299, 65732, 82165, 98598, 164330, 197196, 213629, 246495, 328660, 427258, 492990, 640887, 854516, 985980, 1068145, 1281774, 2136290, 2563548, 3204435, 4272580, 6408870, 12817740]

約数ペア:

[(1, 12817740), (2, 6408870), (3, 4272580), (4, 3204435), (5, 2563548), (6, 2136290), (10, 1281774), (12, 1068145), (13, 985980), (15, 854516), (20, 640887), (26, 492990), (30, 427258), (39, 328660), (52, 246495), (60, 213629), (65, 197196), (78, 164330), (130, 98598), (156, 82165), (195, 65732), (260, 49299), (390, 32866), (780, 16433)]