131246520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12289}}^1$

素因数の和:12392

約数の個数: 64

約数和(自身を含む): 398196000

約数和(自身を除く): 266949480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2136, 2670, 3560, 5340, 10680, 12289, 24578, 36867, 49156, 61445, 73734, 98312, 122890, 147468, 184335, 245780, 294936, 368670, 491560, 737340, 1093721, 1474680, 2187442, 3281163, 4374884, 5468605, 6562326, 8749768, 10937210, 13124652, 16405815, 21874420, 26249304, 32811630, 43748840, 65623260, 131246520]

約数ペア:

[(1, 131246520), (2, 65623260), (3, 43748840), (4, 32811630), (5, 26249304), (6, 21874420), (8, 16405815), (10, 13124652), (12, 10937210), (15, 8749768), (20, 6562326), (24, 5468605), (30, 4374884), (40, 3281163), (60, 2187442), (89, 1474680), (120, 1093721), (178, 737340), (267, 491560), (356, 368670), (445, 294936), (534, 245780), (712, 184335), (890, 147468), (1068, 122890), (1335, 98312), (1780, 73734), (2136, 61445), (2670, 49156), (3560, 36867), (5340, 24578), (10680, 12289)]