15259980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 27640500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 419, 607, 838, 1214, 1257, 1676, 1821, 2095, 2428, 2514, 3035, 3642, 4190, 5028, 6070, 6285, 7284, 8380, 9105, 12140, 12570, 18210, 25140, 36420, 254333, 508666, 762999, 1017332, 1271665, 1525998, 2543330, 3051996, 3814995, 5086660, 7629990, 15259980]

約数ペア:

[(1, 15259980), (2, 7629990), (3, 5086660), (4, 3814995), (5, 3051996), (6, 2543330), (10, 1525998), (12, 1271665), (15, 1017332), (20, 762999), (30, 508666), (60, 254333), (419, 36420), (607, 25140), (838, 18210), (1214, 12570), (1257, 12140), (1676, 9105), (1821, 8380), (2095, 7284), (2428, 6285), (2514, 6070), (3035, 5028), (3642, 4190)]