15550730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 32060448

約数和(自身を除く): 16509718

約数列:

[1, 2, 5, 10, 13, 26, 37, 53, 61, 65, 74, 106, 122, 130, 185, 265, 305, 370, 481, 530, 610, 689, 793, 962, 1378, 1586, 1961, 2257, 2405, 3233, 3445, 3922, 3965, 4514, 4810, 6466, 6890, 7930, 9805, 11285, 16165, 19610, 22570, 25493, 29341, 32330, 42029, 50986, 58682, 84058, 119621, 127465, 146705, 210145, 239242, 254930, 293410, 420290, 598105, 1196210, 1555073, 3110146, 7775365, 15550730]

約数ペア:

[(1, 15550730), (2, 7775365), (5, 3110146), (10, 1555073), (13, 1196210), (26, 598105), (37, 420290), (53, 293410), (61, 254930), (65, 239242), (74, 210145), (106, 146705), (122, 127465), (130, 119621), (185, 84058), (265, 58682), (305, 50986), (370, 42029), (481, 32330), (530, 29341), (610, 25493), (689, 22570), (793, 19610), (962, 16165), (1378, 11285), (1586, 9805), (1961, 7930), (2257, 6890), (2405, 6466), (3233, 4810), (3445, 4514), (3922, 3965)]