161824480

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^2\times {\mathrm{547}}^1$

素因数の和:648

約数の個数: 72

約数和(自身を含む): 392123592

約数和(自身を除く): 230299112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 547, 688, 860, 1094, 1376, 1720, 1849, 2188, 2735, 3440, 3698, 4376, 5470, 6880, 7396, 8752, 9245, 10940, 14792, 17504, 18490, 21880, 23521, 29584, 36980, 43760, 47042, 59168, 73960, 87520, 94084, 117605, 147920, 188168, 235210, 295840, 376336, 470420, 752672, 940840, 1011403, 1881680, 2022806, 3763360, 4045612, 5057015, 8091224, 10114030, 16182448, 20228060, 32364896, 40456120, 80912240, 161824480]

約数ペア:

[(1, 161824480), (2, 80912240), (4, 40456120), (5, 32364896), (8, 20228060), (10, 16182448), (16, 10114030), (20, 8091224), (32, 5057015), (40, 4045612), (43, 3763360), (80, 2022806), (86, 1881680), (160, 1011403), (172, 940840), (215, 752672), (344, 470420), (430, 376336), (547, 295840), (688, 235210), (860, 188168), (1094, 147920), (1376, 117605), (1720, 94084), (1849, 87520), (2188, 73960), (2735, 59168), (3440, 47042), (3698, 43760), (4376, 36980), (5470, 29584), (6880, 23521), (7396, 21880), (8752, 18490), (9245, 17504), (10940, 14792)]