12659940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 39065208

約数和(自身を除く): 26405268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1153, 1220, 1830, 2196, 2306, 2745, 3459, 3660, 4612, 5490, 5765, 6918, 10377, 10980, 11530, 13836, 17295, 20754, 23060, 34590, 41508, 51885, 69180, 70333, 103770, 140666, 207540, 210999, 281332, 351665, 421998, 632997, 703330, 843996, 1054995, 1265994, 1406660, 2109990, 2531988, 3164985, 4219980, 6329970, 12659940]

約数ペア:

[(1, 12659940), (2, 6329970), (3, 4219980), (4, 3164985), (5, 2531988), (6, 2109990), (9, 1406660), (10, 1265994), (12, 1054995), (15, 843996), (18, 703330), (20, 632997), (30, 421998), (36, 351665), (45, 281332), (60, 210999), (61, 207540), (90, 140666), (122, 103770), (180, 70333), (183, 69180), (244, 51885), (305, 41508), (366, 34590), (549, 23060), (610, 20754), (732, 17295), (915, 13836), (1098, 11530), (1153, 10980), (1220, 10377), (1830, 6918), (2196, 5765), (2306, 5490), (2745, 4612), (3459, 3660)]