4219380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2131}}^1$

素因数の和:2157

約数の個数: 72

約数和(自身を含む): 13968864

約数和(自身を除く): 9749484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 2131, 4262, 6393, 8524, 10655, 12786, 19179, 21310, 23441, 25572, 31965, 38358, 42620, 46882, 63930, 70323, 76716, 93764, 95895, 117205, 127860, 140646, 191790, 210969, 234410, 281292, 351615, 383580, 421938, 468820, 703230, 843876, 1054845, 1406460, 2109690, 4219380]

約数ペア:

[(1, 4219380), (2, 2109690), (3, 1406460), (4, 1054845), (5, 843876), (6, 703230), (9, 468820), (10, 421938), (11, 383580), (12, 351615), (15, 281292), (18, 234410), (20, 210969), (22, 191790), (30, 140646), (33, 127860), (36, 117205), (44, 95895), (45, 93764), (55, 76716), (60, 70323), (66, 63930), (90, 46882), (99, 42620), (110, 38358), (132, 31965), (165, 25572), (180, 23441), (198, 21310), (220, 19179), (330, 12786), (396, 10655), (495, 8524), (660, 6393), (990, 4262), (1980, 2131)]