180819100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1076

約数の個数: 144

約数和(自身を含む): 510967296

約数和(自身を除く): 330148196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 25, 28, 35, 44, 46, 50, 55, 70, 77, 92, 100, 110, 115, 140, 154, 161, 175, 220, 230, 253, 275, 308, 322, 350, 385, 460, 506, 550, 575, 644, 700, 770, 805, 1012, 1021, 1100, 1150, 1265, 1540, 1610, 1771, 1925, 2042, 2300, 2530, 3220, 3542, 3850, 4025, 4084, 5060, 5105, 6325, 7084, 7147, 7700, 8050, 8855, 10210, 11231, 12650, 14294, 16100, 17710, 20420, 22462, 23483, 25300, 25525, 28588, 35420, 35735, 44275, 44924, 46966, 51050, 56155, 71470, 78617, 88550, 93932, 102100, 112310, 117415, 142940, 157234, 164381, 177100, 178675, 224620, 234830, 258313, 280775, 314468, 328762, 357350, 393085, 469660, 516626, 561550, 587075, 657524, 714700, 786170, 821905, 1033252, 1123100, 1174150, 1291565, 1572340, 1643810, 1808191, 1965425, 2348300, 2583130, 3287620, 3616382, 3930850, 4109525, 5166260, 6457825, 7232764, 7861700, 8219050, 9040955, 12915650, 16438100, 18081910, 25831300, 36163820, 45204775, 90409550, 180819100]

約数ペア:

[(1, 180819100), (2, 90409550), (4, 45204775), (5, 36163820), (7, 25831300), (10, 18081910), (11, 16438100), (14, 12915650), (20, 9040955), (22, 8219050), (23, 7861700), (25, 7232764), (28, 6457825), (35, 5166260), (44, 4109525), (46, 3930850), (50, 3616382), (55, 3287620), (70, 2583130), (77, 2348300), (92, 1965425), (100, 1808191), (110, 1643810), (115, 1572340), (140, 1291565), (154, 1174150), (161, 1123100), (175, 1033252), (220, 821905), (230, 786170), (253, 714700), (275, 657524), (308, 587075), (322, 561550), (350, 516626), (385, 469660), (460, 393085), (506, 357350), (550, 328762), (575, 314468), (644, 280775), (700, 258313), (770, 234830), (805, 224620), (1012, 178675), (1021, 177100), (1100, 164381), (1150, 157234), (1265, 142940), (1540, 117415), (1610, 112310), (1771, 102100), (1925, 93932), (2042, 88550), (2300, 78617), (2530, 71470), (3220, 56155), (3542, 51050), (3850, 46966), (4025, 44924), (4084, 44275), (5060, 35735), (5105, 35420), (6325, 28588), (7084, 25525), (7147, 25300), (7700, 23483), (8050, 22462), (8855, 20420), (10210, 17710), (11231, 16100), (12650, 14294)]