7887780

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{541}}^1$

素因数の和:568

約数の個数: 84

約数和(自身を含む): 24881052

約数和(自身を除く): 16993272

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 541, 729, 810, 972, 1082, 1215, 1458, 1620, 1623, 2164, 2430, 2705, 2916, 3246, 3645, 4860, 4869, 5410, 6492, 7290, 8115, 9738, 10820, 14580, 14607, 16230, 19476, 24345, 29214, 32460, 43821, 48690, 58428, 73035, 87642, 97380, 131463, 146070, 175284, 219105, 262926, 292140, 394389, 438210, 525852, 657315, 788778, 876420, 1314630, 1577556, 1971945, 2629260, 3943890, 7887780]

約数ペア:

[(1, 7887780), (2, 3943890), (3, 2629260), (4, 1971945), (5, 1577556), (6, 1314630), (9, 876420), (10, 788778), (12, 657315), (15, 525852), (18, 438210), (20, 394389), (27, 292140), (30, 262926), (36, 219105), (45, 175284), (54, 146070), (60, 131463), (81, 97380), (90, 87642), (108, 73035), (135, 58428), (162, 48690), (180, 43821), (243, 32460), (270, 29214), (324, 24345), (405, 19476), (486, 16230), (540, 14607), (541, 14580), (729, 10820), (810, 9738), (972, 8115), (1082, 7290), (1215, 6492), (1458, 5410), (1620, 4869), (1623, 4860), (2164, 3645), (2430, 3246), (2705, 2916)]