28027740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35933}}^1$

素因数の和:35958

約数の個数: 48

約数和(自身を含む): 84516768

約数和(自身を除く): 56489028

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, 35933, 71866, 107799, 143732, 179665, 215598, 359330, 431196, 467129, 538995, 718660, 934258, 1077990, 1401387, 1868516, 2155980, 2335645, 2802774, 4671290, 5605548, 7006935, 9342580, 14013870, 28027740]

約数ペア:

[(1, 28027740), (2, 14013870), (3, 9342580), (4, 7006935), (5, 5605548), (6, 4671290), (10, 2802774), (12, 2335645), (13, 2155980), (15, 1868516), (20, 1401387), (26, 1077990), (30, 934258), (39, 718660), (52, 538995), (60, 467129), (65, 431196), (78, 359330), (130, 215598), (156, 179665), (195, 143732), (260, 107799), (390, 71866), (780, 35933)]