66821520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{547}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 207933120

約数和(自身を除く): 141111600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 509, 547, 1018, 1094, 1527, 1641, 2036, 2188, 2545, 2735, 3054, 3282, 4072, 4376, 5090, 5470, 6108, 6564, 7635, 8144, 8205, 8752, 10180, 10940, 12216, 13128, 15270, 16410, 20360, 21880, 24432, 26256, 30540, 32820, 40720, 43760, 61080, 65640, 122160, 131280, 278423, 556846, 835269, 1113692, 1392115, 1670538, 2227384, 2784230, 3341076, 4176345, 4454768, 5568460, 6682152, 8352690, 11136920, 13364304, 16705380, 22273840, 33410760, 66821520]

約数ペア:

[(1, 66821520), (2, 33410760), (3, 22273840), (4, 16705380), (5, 13364304), (6, 11136920), (8, 8352690), (10, 6682152), (12, 5568460), (15, 4454768), (16, 4176345), (20, 3341076), (24, 2784230), (30, 2227384), (40, 1670538), (48, 1392115), (60, 1113692), (80, 835269), (120, 556846), (240, 278423), (509, 131280), (547, 122160), (1018, 65640), (1094, 61080), (1527, 43760), (1641, 40720), (2036, 32820), (2188, 30540), (2545, 26256), (2735, 24432), (3054, 21880), (3282, 20360), (4072, 16410), (4376, 15270), (5090, 13128), (5470, 12216), (6108, 10940), (6564, 10180), (7635, 8752), (8144, 8205)]