172985040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{240257}}^1$

素因数の和:240276

約数の個数: 60

約数和(自身を含む): 580943844

約数和(自身を除く): 407958804

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 240257, 480514, 720771, 961028, 1201285, 1441542, 1922056, 2162313, 2402570, 2883084, 3603855, 3844112, 4324626, 4805140, 5766168, 7207710, 8649252, 9610280, 10811565, 11532336, 14415420, 17298504, 19220560, 21623130, 28830840, 34597008, 43246260, 57661680, 86492520, 172985040]

約数ペア:

[(1, 172985040), (2, 86492520), (3, 57661680), (4, 43246260), (5, 34597008), (6, 28830840), (8, 21623130), (9, 19220560), (10, 17298504), (12, 14415420), (15, 11532336), (16, 10811565), (18, 9610280), (20, 8649252), (24, 7207710), (30, 5766168), (36, 4805140), (40, 4324626), (45, 3844112), (48, 3603855), (60, 2883084), (72, 2402570), (80, 2162313), (90, 1922056), (120, 1441542), (144, 1201285), (180, 961028), (240, 720771), (360, 480514), (720, 240257)]