12788580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30449}}^1$

素因数の和:30468

約数の個数: 48

約数和(自身を含む): 40924800

約数和(自身を除く): 28136220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30449, 60898, 91347, 121796, 152245, 182694, 213143, 304490, 365388, 426286, 456735, 608980, 639429, 852572, 913470, 1065715, 1278858, 1826940, 2131430, 2557716, 3197145, 4262860, 6394290, 12788580]

約数ペア:

[(1, 12788580), (2, 6394290), (3, 4262860), (4, 3197145), (5, 2557716), (6, 2131430), (7, 1826940), (10, 1278858), (12, 1065715), (14, 913470), (15, 852572), (20, 639429), (21, 608980), (28, 456735), (30, 426286), (35, 365388), (42, 304490), (60, 213143), (70, 182694), (84, 152245), (105, 121796), (140, 91347), (210, 60898), (420, 30449)]