11890980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2177

約数の個数: 72

約数和(自身を含む): 37250304

約数和(自身を除く): 25359324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2131, 2790, 4262, 5580, 6393, 8524, 10655, 12786, 19179, 21310, 25572, 31965, 38358, 42620, 63930, 66061, 76716, 95895, 127860, 132122, 191790, 198183, 264244, 330305, 383580, 396366, 594549, 660610, 792732, 990915, 1189098, 1321220, 1981830, 2378196, 2972745, 3963660, 5945490, 11890980]

約数ペア:

[(1, 11890980), (2, 5945490), (3, 3963660), (4, 2972745), (5, 2378196), (6, 1981830), (9, 1321220), (10, 1189098), (12, 990915), (15, 792732), (18, 660610), (20, 594549), (30, 396366), (31, 383580), (36, 330305), (45, 264244), (60, 198183), (62, 191790), (90, 132122), (93, 127860), (124, 95895), (155, 76716), (180, 66061), (186, 63930), (279, 42620), (310, 38358), (372, 31965), (465, 25572), (558, 21310), (620, 19179), (930, 12786), (1116, 10655), (1395, 8524), (1860, 6393), (2131, 5580), (2790, 4262)]