261386880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{136139}}^1$

素因数の和:136161

約数の個数: 64

約数和(自身を含む): 833176800

約数和(自身を除く): 571789920

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, 136139, 272278, 408417, 544556, 680695, 816834, 1089112, 1361390, 1633668, 2042085, 2178224, 2722780, 3267336, 4084170, 4356448, 5445560, 6534672, 8168340, 8712896, 10891120, 13069344, 16336680, 17425792, 21782240, 26138688, 32673360, 43564480, 52277376, 65346720, 87128960, 130693440, 261386880]

約数ペア:

[(1, 261386880), (2, 130693440), (3, 87128960), (4, 65346720), (5, 52277376), (6, 43564480), (8, 32673360), (10, 26138688), (12, 21782240), (15, 17425792), (16, 16336680), (20, 13069344), (24, 10891120), (30, 8712896), (32, 8168340), (40, 6534672), (48, 5445560), (60, 4356448), (64, 4084170), (80, 3267336), (96, 2722780), (120, 2178224), (128, 2042085), (160, 1633668), (192, 1361390), (240, 1089112), (320, 816834), (384, 680695), (480, 544556), (640, 408417), (960, 272278), (1920, 136139)]