138506880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{72139}}^1$

素因数の和:72161

約数の個数: 64

約数和(自身を含む): 441496800

約数和(自身を除く): 302989920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 72139, 144278, 216417, 288556, 360695, 432834, 577112, 721390, 865668, 1082085, 1154224, 1442780, 1731336, 2164170, 2308448, 2885560, 3462672, 4328340, 4616896, 5771120, 6925344, 8656680, 9233792, 11542240, 13850688, 17313360, 23084480, 27701376, 34626720, 46168960, 69253440, 138506880]

約数ペア:

[(1, 138506880), (2, 69253440), (3, 46168960), (4, 34626720), (5, 27701376), (6, 23084480), (8, 17313360), (10, 13850688), (12, 11542240), (15, 9233792), (16, 8656680), (20, 6925344), (24, 5771120), (30, 4616896), (32, 4328340), (40, 3462672), (48, 2885560), (60, 2308448), (64, 2164170), (80, 1731336), (96, 1442780), (120, 1154224), (128, 1082085), (160, 865668), (192, 721390), (240, 577112), (320, 432834), (384, 360695), (480, 288556), (640, 216417), (960, 144278), (1920, 72139)]