31140690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{577}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 85895424

約数和(自身を除く): 54754734

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 257, 514, 577, 771, 1154, 1285, 1542, 1731, 1799, 2570, 2885, 3462, 3598, 3855, 4039, 5397, 5770, 7710, 8078, 8655, 8995, 10794, 12117, 17310, 17990, 20195, 24234, 26985, 40390, 53970, 60585, 121170, 148289, 296578, 444867, 741445, 889734, 1038023, 1482890, 2076046, 2224335, 3114069, 4448670, 5190115, 6228138, 10380230, 15570345, 31140690]

約数ペア:

[(1, 31140690), (2, 15570345), (3, 10380230), (5, 6228138), (6, 5190115), (7, 4448670), (10, 3114069), (14, 2224335), (15, 2076046), (21, 1482890), (30, 1038023), (35, 889734), (42, 741445), (70, 444867), (105, 296578), (210, 148289), (257, 121170), (514, 60585), (577, 53970), (771, 40390), (1154, 26985), (1285, 24234), (1542, 20195), (1731, 17990), (1799, 17310), (2570, 12117), (2885, 10794), (3462, 8995), (3598, 8655), (3855, 8078), (4039, 7710), (5397, 5770)]