261311940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25469}}^1$

素因数の和:25506

約数の個数: 96

約数和(自身を含む): 855792000

約数和(自身を除く): 594480060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 25469, 50938, 76407, 101876, 127345, 152814, 229221, 254690, 305628, 382035, 458442, 483911, 509380, 687663, 764070, 916884, 967822, 1146105, 1375326, 1451733, 1528140, 1935644, 2292210, 2419555, 2750652, 2903466, 3438315, 4355199, 4584420, 4839110, 5806932, 6876630, 7258665, 8710398, 9678220, 13065597, 13753260, 14517330, 17420796, 21775995, 26131194, 29034660, 43551990, 52262388, 65327985, 87103980, 130655970, 261311940]

約数ペア:

[(1, 261311940), (2, 130655970), (3, 87103980), (4, 65327985), (5, 52262388), (6, 43551990), (9, 29034660), (10, 26131194), (12, 21775995), (15, 17420796), (18, 14517330), (19, 13753260), (20, 13065597), (27, 9678220), (30, 8710398), (36, 7258665), (38, 6876630), (45, 5806932), (54, 4839110), (57, 4584420), (60, 4355199), (76, 3438315), (90, 2903466), (95, 2750652), (108, 2419555), (114, 2292210), (135, 1935644), (171, 1528140), (180, 1451733), (190, 1375326), (228, 1146105), (270, 967822), (285, 916884), (342, 764070), (380, 687663), (513, 509380), (540, 483911), (570, 458442), (684, 382035), (855, 305628), (1026, 254690), (1140, 229221), (1710, 152814), (2052, 127345), (2565, 101876), (3420, 76407), (5130, 50938), (10260, 25469)]