12357990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2251}}^1$

素因数の和:2325

約数の個数: 48

約数和(自身を含む): 32672016

約数和(自身を除く): 20314026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2251, 2745, 4502, 5490, 6753, 11255, 13506, 20259, 22510, 33765, 40518, 67530, 101295, 137311, 202590, 274622, 411933, 686555, 823866, 1235799, 1373110, 2059665, 2471598, 4119330, 6178995, 12357990]

約数ペア:

[(1, 12357990), (2, 6178995), (3, 4119330), (5, 2471598), (6, 2059665), (9, 1373110), (10, 1235799), (15, 823866), (18, 686555), (30, 411933), (45, 274622), (61, 202590), (90, 137311), (122, 101295), (183, 67530), (305, 40518), (366, 33765), (549, 22510), (610, 20259), (915, 13506), (1098, 11255), (1830, 6753), (2251, 5490), (2745, 4502)]